[llvm] d688312 - [PowerPC][AIX] Implement formal arguments passed in stack memory.

Sean Fertile via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 12 08:49:10 PDT 2020


Author: Zarko Todorovski
Date: 2020-03-12T11:48:00-04:00
New Revision: d6883126603393a96f75f6392243fbda394c7d7a

URL: https://github.com/llvm/llvm-project/commit/d6883126603393a96f75f6392243fbda394c7d7a
DIFF: https://github.com/llvm/llvm-project/commit/d6883126603393a96f75f6392243fbda394c7d7a.diff

LOG: [PowerPC][AIX] Implement formal arguments passed in stack memory.

This patch is the callee side counterpart for https://reviews.llvm.org/D73209.
It removes the fatal error when we pass more formal arguments than available
registers.

Differential Revision: https://reviews.llvm.org/D74225

Added: 
    

Modified: 
    llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    llvm/test/CodeGen/PowerPC/aix-cc-abi.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index e73261236cf4..211d8c309ca1 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -6990,56 +6990,76 @@ SDValue PPCTargetLowering::LowerFormalArguments_AIX(
   MachineFunction &MF = DAG.getMachineFunction();
   CCState CCInfo(CallConv, isVarArg, MF, ArgLocs, *DAG.getContext());
 
+  const EVT PtrVT = getPointerTy(MF.getDataLayout());
   // Reserve space for the linkage area on the stack.
   const unsigned LinkageSize = Subtarget.getFrameLowering()->getLinkageSize();
-  // On AIX a minimum of 8 words is saved to the parameter save area.
-  const unsigned MinParameterSaveArea = 8 * PtrByteSize;
-  CCInfo.AllocateStack(LinkageSize + MinParameterSaveArea, PtrByteSize);
+  CCInfo.AllocateStack(LinkageSize, PtrByteSize);
   CCInfo.AnalyzeFormalArguments(Ins, CC_AIX);
 
   for (CCValAssign &VA : ArgLocs) {
-
-    if (VA.isMemLoc()) {
-      // For compatibility with the AIX XL compiler, the float args in the
-      // parameter save area are initialized even if the argument is available
-      // in register.  The caller is required to initialize both the register
-      // and memory, however, the callee can choose to expect it in either.  The
-      // memloc is dismissed here because the argument is retrieved from the
-      // register.
-      if (VA.needsCustom())
-        continue;
-      report_fatal_error(
-          "Handling of formal arguments on the stack is unimplemented!");
-    }
-
-    assert(VA.isRegLoc() && "Unexpected argument location.");
-
     EVT ValVT = VA.getValVT();
     MVT LocVT = VA.getLocVT();
-    MVT::SimpleValueType SVT = ValVT.getSimpleVT().SimpleTy;
-    unsigned VReg =
-        MF.addLiveIn(VA.getLocReg(), getRegClassForSVT(SVT, IsPPC64));
-    SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, VReg, LocVT);
-    if (ValVT.isScalarInteger() &&
-        (ValVT.getSizeInBits() < LocVT.getSizeInBits())) {
-      ISD::ArgFlagsTy Flags = Ins[VA.getValNo()].Flags;
-      ArgValue =
-          truncateScalarIntegerArg(Flags, ValVT, DAG, ArgValue, LocVT, dl);
+    ISD::ArgFlagsTy Flags = Ins[VA.getValNo()].Flags;
+    assert(!Flags.isByVal() &&
+           "Passing structure by value is unimplemented for formal arguments.");
+    assert((VA.isRegLoc() || VA.isMemLoc()) &&
+           "Unexpected location for function call argument.");
+
+    // For compatibility with the AIX XL compiler, the float args in the
+    // parameter save area are initialized even if the argument is available
+    // in register.  The caller is required to initialize both the register
+    // and memory, however, the callee can choose to expect it in either.
+    // The memloc is dismissed here because the argument is retrieved from
+    // the register.
+    if (VA.isMemLoc() && VA.needsCustom())
+      continue;
+
+    if (VA.isRegLoc()) {
+      MVT::SimpleValueType SVT = ValVT.getSimpleVT().SimpleTy;
+      unsigned VReg =
+          MF.addLiveIn(VA.getLocReg(), getRegClassForSVT(SVT, IsPPC64));
+      SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, VReg, LocVT);
+      if (ValVT.isScalarInteger() &&
+          (ValVT.getSizeInBits() < LocVT.getSizeInBits())) {
+        ArgValue =
+            truncateScalarIntegerArg(Flags, ValVT, DAG, ArgValue, LocVT, dl);
+      }
+      InVals.push_back(ArgValue);
+      continue;
     }
+
+    const unsigned LocSize = LocVT.getStoreSize();
+    const unsigned ValSize = ValVT.getStoreSize();
+    assert((ValSize <= LocSize) && "Object size is larger than size of MemLoc");
+    int CurArgOffset = VA.getLocMemOffset();
+    // Objects are right-justified because AIX is big-endian.
+    if (LocSize > ValSize)
+      CurArgOffset += LocSize - ValSize;
+    MachineFrameInfo &MFI = MF.getFrameInfo();
+    // Potential tail calls could cause overwriting of argument stack slots.
+    const bool IsImmutable =
+        !(getTargetMachine().Options.GuaranteedTailCallOpt &&
+          (CallConv == CallingConv::Fast));
+    int FI = MFI.CreateFixedObject(ValSize, CurArgOffset, IsImmutable);
+    SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
+    SDValue ArgValue = DAG.getLoad(ValVT, dl, Chain, FIN, MachinePointerInfo());
     InVals.push_back(ArgValue);
   }
 
+  // On AIX a minimum of 8 words is saved to the parameter save area.
+  const unsigned MinParameterSaveArea = 8 * PtrByteSize;
   // Area that is at least reserved in the caller of this function.
-  unsigned MinReservedArea = CCInfo.getNextStackOffset();
+  unsigned CallerReservedArea =
+      std::max(CCInfo.getNextStackOffset(), LinkageSize + MinParameterSaveArea);
 
   // Set the size that is at least reserved in caller of this function. Tail
   // call optimized function's reserved stack space needs to be aligned so
   // that taking the 
diff erence between two stack areas will result in an
   // aligned stack.
-  MinReservedArea =
-      EnsureStackAlignment(Subtarget.getFrameLowering(), MinReservedArea);
+  CallerReservedArea =
+      EnsureStackAlignment(Subtarget.getFrameLowering(), CallerReservedArea);
   PPCFunctionInfo *FuncInfo = MF.getInfo<PPCFunctionInfo>();
-  FuncInfo->setMinReservedArea(MinReservedArea);
+  FuncInfo->setMinReservedArea(CallerReservedArea);
 
   return Chain;
 }

diff  --git a/llvm/test/CodeGen/PowerPC/aix-cc-abi.ll b/llvm/test/CodeGen/PowerPC/aix-cc-abi.ll
index b7c21242c7bd..ee7ac537c47c 100644
--- a/llvm/test/CodeGen/PowerPC/aix-cc-abi.ll
+++ b/llvm/test/CodeGen/PowerPC/aix-cc-abi.ll
@@ -59,7 +59,7 @@ entry:
 ; 32BIT:       body:
 ; 32BIT-NEXT:    bb.0.entry:
 ; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6
- 
+
 ; 64BIT:       liveins:
 ; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
 ; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
@@ -116,7 +116,7 @@ entry:
 ; 32BIT:       body:
 ; 32BIT-NEXT:    bb.0.entry:
 ; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6
- 
+
 ; 64BIT:       liveins:
 ; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
 ; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
@@ -170,9 +170,9 @@ entry:
 
 define void @test_i1zext(i1 zeroext %b) {
   entry:
-    %frombool = zext i1 %b to i8 
-    store i8 %frombool, i8 * @global_i1, align 1 
-    ret void 
+    %frombool = zext i1 %b to i8
+    store i8 %frombool, i8 * @global_i1, align 1
+    ret void
   }
 
 ; 32BIT:       liveins:
@@ -180,7 +180,7 @@ define void @test_i1zext(i1 zeroext %b) {
 ; 32BIT:       body:             |
 ; 32BIT-NEXT:    bb.0.entry:
 ; 32BIT-NEXT:      liveins: $r3
-; CHECK-NOT:       RLWINM 
+; CHECK-NOT:       RLWINM
 ; 32BIT:           STB killed renamable $r3, 0, killed renamable $r4 :: (store 1 into @global_i1)
 
 ; 64BIT:       liveins:
@@ -372,7 +372,7 @@ entry:
 }
 
 declare i32 @call_test_bool(i1 zeroext)
-  
+
 ; CHECK-LABEL: name:            caller
 
 ; 32BIT:        liveins:
@@ -676,7 +676,7 @@ entry:
 ; 32BIT:      body:             |
 ; 32BIT-NEXT:  bb.0.entry:
 ; 32BIT-NEXT:   liveins: $r3, $r4, $r5, $r6, $r7, $r8
-  
+
 ; 64BIT:        liveins:
 ; 64BIT-NEXT:   - { reg: '$x3', virtual-reg: '' }
 ; 64BIT-NEXT:   - { reg: '$x4', virtual-reg: '' }
@@ -1348,3 +1348,1013 @@ declare void @test_stackarg_float3(i32, i32, i32, i32, i32, i32, i32, ...)
 ; ASM64PWR4-NEXT:  bl .test_stackarg_float3
 ; ASM64PWR4-NEXT:  nop
 ; ASM64PWR4-NEXT:  addi 1, 1, 128
+
+define i64 @test_ints_stack(i32 %i1, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6, i32 %i7, i32 %i8, i64 %ll9, i16 signext %s10, i8 zeroext %c11, i32 %ui12, i32 %si13, i64 %ll14, i8 zeroext %uc15, i32 %i16) {
+entry:
+  %add = add nsw i32 %i1, %i2
+  %add1 = add nsw i32 %add, %i3
+  %add2 = add nsw i32 %add1, %i4
+  %add3 = add nsw i32 %add2, %i5
+  %add4 = add nsw i32 %add3, %i6
+  %add5 = add nsw i32 %add4, %i7
+  %add6 = add nsw i32 %add5, %i8
+  %conv = sext i32 %add6 to i64
+  %add7 = add nsw i64 %conv, %ll9
+  %conv8 = sext i16 %s10 to i64
+  %add9 = add nsw i64 %add7, %conv8
+  %conv10 = zext i8 %c11 to i64
+  %add11 = add nsw i64 %add9, %conv10
+  %conv12 = zext i32 %ui12 to i64
+  %add13 = add nsw i64 %add11, %conv12
+  %conv14 = sext i32 %si13 to i64
+  %add15 = add nsw i64 %add13, %conv14
+  %add16 = add nsw i64 %add15, %ll14
+  %conv17 = zext i8 %uc15 to i64
+  %add18 = add nsw i64 %add16, %conv17
+  %conv19 = sext i32 %i16 to i64
+  %add20 = add nsw i64 %add18, %conv19
+  ret i64 %add20
+}
+
+; CHECK-LABEL: name: test_ints_stack
+
+; 32BIT-LABEL: liveins:
+; 32BIT-DAG:   - { reg: '$r3', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r4', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r5', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r6', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r7', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r8', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r9', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r10', virtual-reg: '' }
+
+; 32BIT-LABEL: fixedStack:
+; 32BIT-DAG:   - { id: 9, type: default, offset: 56, size: 4
+; 32BIT-DAG:   - { id: 8, type: default, offset: 60, size: 4
+; 32BIT-DAG:   - { id: 7, type: default, offset: 64, size: 4
+; 32BIT-DAG:   - { id: 6, type: default, offset: 68, size: 4
+; 32BIT-DAG:   - { id: 5, type: default, offset: 72, size: 4
+; 32BIT-DAG:   - { id: 4, type: default, offset: 76, size: 4
+; 32BIT-DAG:   - { id: 3, type: default, offset: 80, size: 4
+; 32BIT-DAG:   - { id: 2, type: default, offset: 84, size: 4
+; 32BIT-DAG:   - { id: 1, type: default, offset: 88, size: 4
+; 32BIT-DAG:   - { id: 0, type: default, offset: 92, size: 4
+
+; 32BIT-LABEL: body:             |
+; 32BIT-DAG:    bb.0.entry:
+; 32BIT-DAG:      liveins: $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10
+
+; 64BIT-LABEL: liveins:
+; 64BIT-DAG:   - { reg: '$x3', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x4', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x5', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x6', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x7', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x8', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x9', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x10', virtual-reg: '' }
+
+; 64BIT-LABEL:  fixedStack:
+; 64BIT-DAG:   - { id: 7, type: default, offset: 112, size: 8
+; 64BIT-DAG:   - { id: 6, type: default, offset: 124, size: 4
+; 64BIT-DAG:   - { id: 5, type: default, offset: 132, size: 4
+; 64BIT-DAG:   - { id: 4, type: default, offset: 140, size: 4
+; 64BIT-DAG:   - { id: 3, type: default, offset: 148, size: 4
+; 64BIT-DAG:   - { id: 2, type: default, offset: 152, size: 8
+; 64BIT-DAG:   - { id: 1, type: default, offset: 164, size: 4
+; 64BIT-DAG:   - { id: 0, type: default, offset: 172, size: 4
+; 64BIT-DAG:   body:             |
+; 64BIT-DAG:    bb.0.entry:
+; 64BIT-DAG:     liveins: $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10
+
+; CHECKASM-LABEL:  .test_ints_stack:
+
+; ASM32PWR4-DAG:   lwz [[REG1:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:   lwz [[REG2:[0-9]+]], 60(1)
+; ASM32PWR4-DAG:   lwz [[REG3:[0-9]+]], 64(1)
+; ASM32PWR4-DAG:   lwz [[REG4:[0-9]+]], 68(1)
+; ASM32PWR4-DAG:   lwz [[REG5:[0-9]+]], 72(1)
+; ASM32PWR4-DAG:   lwz [[REG6:[0-9]+]], 76(1)
+; ASM32PWR4-DAG:   lwz [[REG7:[0-9]+]], 80(1)
+; ASM32PWR4-DAG:   lwz [[REG8:[0-9]+]], 84(1)
+; ASM32PWR4-DAG:   lwz [[REG9:[0-9]+]], 88(1)
+; ASM32PWR4-DAG:   lwz [[REG10:[0-9]+]], 92(1)
+
+; ASM64PWR4-DAG:   ld [[REG1:[0-9]+]], 112(1)
+; ASM64PWR4-DAG:   lwz [[REG2:[0-9]+]], 124(1)
+; ASM64PWR4-DAG:   lwz [[REG3:[0-9]+]], 132(1)
+; ASM64PWR4-DAG:   lwz [[REG4:[0-9]+]], 140(1)
+; ASM64PWR4-DAG:   lwa [[REG5:[0-9]+]], 148(1)
+; ASM64PWR4-DAG:   ld [[REG6:[0-9]+]], 152(1)
+; ASM64PWR4-DAG:   lwz [[REG7:[0-9]+]], 164(1)
+; ASM64PWR4-DAG:   lwa [[REG8:[0-9]+]], 172(1)
+
+ at ll1 = common global i64 0, align 8
+ at si1 = common global i16 0, align 2
+ at ch = common global i8 0, align 1
+ at ui = common global i32 0, align 4
+ at sint = common global i32 0, align 4
+ at ll2 = common global i64 0, align 8
+ at uc1 = common global i8 0, align 1
+ at i1 = common global i32 0, align 4
+
+define void @caller_ints_stack() {
+entry:
+  %0 = load i64, i64* @ll1, align 8
+  %1 = load i16, i16* @si1, align 2
+  %2 = load i8, i8* @ch, align 1
+  %3 = load i32, i32* @ui, align 4
+  %4 = load i32, i32* @sint, align 4
+  %5 = load i64, i64* @ll2, align 8
+  %6 = load i8, i8* @uc1, align 1
+  %7 = load i32, i32* @i1, align 4
+  %call = call i64 @test_ints_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i64 %0, i16 signext %1, i8 zeroext %2, i32 %3, i32 %4, i64 %5, i8 zeroext %6, i32 %7)
+  ret void
+}
+
+; CHECK-LABEL: name: caller_ints_stack
+
+; 32BIT-DAG:   $r3 = LI 1
+; 32BIT-DAG:   $r4 = LI 2
+; 32BIT-DAG:   $r5 = LI 3
+; 32BIT-DAG:   $r6 = LI 4
+; 32BIT-DAG:   $r7 = LI 5
+; 32BIT-DAG:   $r8 = LI 6
+; 32BIT-DAG:   $r9 = LI 7
+; 32BIT-DAG:   $r10 = LI 8
+; 32BIT-DAG:   renamable $r[[REGLL1ADDR:[0-9]+]] = LWZtoc @ll1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGLL1A:[0-9]+]] = LWZ 0, renamable $r[[REGLL1ADDR]] :: (dereferenceable load 4 from @ll1, align 8)
+; 32BIT-DAG:   renamable $r[[REGLL1B:[0-9]+]] = LWZ 4, killed renamable $r[[REGLL1ADDR]] :: (dereferenceable load 4 from @ll1 + 4)
+; 32BIT-DAG:   STW killed renamable $r[[REGLL1A]], 56, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REGLL1B]], 60, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGSIADDR:[0-9]+]] = LWZtoc @si1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGSI:[0-9]+]] = LHA 0, killed renamable $r[[REGSIADDR]] :: (dereferenceable load 2 from @si1)
+; 32BIT-DAG:   STW killed renamable $r[[REGSI]], 64, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGCHADDR:[0-9]+]] = LWZtoc @ch, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGCH:[0-9]+]] = LBZ 0, killed renamable $r[[REGCHADDR]] :: (dereferenceable load 1 from @ch)
+; 32BIT-DAG:   STW killed renamable $r[[REGCH]], 68, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGUIADDR:[0-9]+]] = LWZtoc @ui, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGUI:[0-9]+]] = LWZ 0, killed renamable $r[[REGUIADDR]] :: (dereferenceable load 4 from @ui)
+; 32BIT-DAG:   STW killed renamable $r[[REGUI]], 72, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGSIADDR:[0-9]+]] = LWZtoc @sint, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGSI:[0-9]+]] = LWZ 0, killed renamable $r[[REGSIADDR]] :: (dereferenceable load 4 from @sint)
+; 32BIT-DAG:   STW killed renamable $r[[REGSI]], 76, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGLL2ADDR:[0-9]+]] = LWZtoc @ll2, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGLL2A:[0-9]+]] = LWZ 0, renamable $r[[REGLL2ADDR]] :: (dereferenceable load 4 from @ll2, align 8)
+; 32BIT-DAG:   renamable $r[[REGLL2B:[0-9]+]] = LWZ 4, killed renamable $r[[REGLL2ADDR]] :: (dereferenceable load 4 from @ll2 + 4)
+; 32BIT-DAG:   STW killed renamable $r[[REGLL2A]], 80, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REGLL2B]], 84, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGUCADDR:[0-9]+]] = LWZtoc @uc1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGUC:[0-9]+]] = LBZ 0, killed renamable $r[[REGUCADDR]] :: (dereferenceable load 1 from @uc1)
+; 32BIT-DAG:   STW killed renamable $r[[REGUC]], 88, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGIADDR:[0-9]+]] = LWZtoc @i1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[REGI:[0-9]+]] = LWZ 0, killed renamable $r[[REGIADDR]] :: (dereferenceable load 4 from @i1)
+; 32BIT-DAG:   STW killed renamable $r[[REGI]], 92, $r1 :: (store 4)
+; 32BIT-DAG:   ADJCALLSTACKDOWN 96, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-NEXT:  BL_NOP <mcsymbol .test_ints_stack>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r4, implicit $r5, implicit $r6, implicit $r7, implicit $r8, implicit $r9, implicit $r10, implicit $r2, implicit-def $r1, implicit-def dead $r3
+; 32BIT-NEXT:  ADJCALLSTACKUP 96, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT-DAG:   $x3 = LI8 1
+; 64BIT-DAG:   $x4 = LI8 2
+; 64BIT-DAG:   $x5 = LI8 3
+; 64BIT-DAG:   $x6 = LI8 4
+; 64BIT-DAG:   $x7 = LI8 5
+; 64BIT-DAG:   $x8 = LI8 6
+; 64BIT-DAG:   $x9 = LI8 7
+; 64BIT-DAG:   $x10 = LI8 8
+; 64BIT-DAG:   renamable $x[[REGLL1ADDR:[0-9]+]] = LDtoc @ll1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGLL1:[0-9]+]] = LD 0, killed renamable $x[[REGLL1ADDR]] :: (dereferenceable load 8 from @ll1)
+; 64BIT-DAG:   STD killed renamable $x[[REGLL1]], 112, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGSIADDR:[0-9]+]] = LDtoc @si1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGSI:[0-9]+]] = LHA8 0, killed renamable $x[[REGSIADDR]] :: (dereferenceable load 2 from @si1)
+; 64BIT-DAG:   STD killed renamable $x[[REGSI]], 120, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGCHADDR:[0-9]+]] = LDtoc @ch, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGCH:[0-9]+]] = LBZ8 0, killed renamable $x[[REGCHADDR]] :: (dereferenceable load 1 from @ch)
+; 64BIT-DAG:   STD killed renamable $x[[REGCH]], 128, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGUIADDR:[0-9]+]] = LDtoc @ui, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGUI:[0-9]+]] = LWZ8 0, killed renamable $x[[REGUIADDR]] :: (dereferenceable load 4 from @ui)
+; 64BIT-DAG:   STD killed renamable $x[[REGUI]], 136, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGSIADDR:[0-9]+]] = LDtoc @sint, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGSI:[0-9]+]] = LWZ8 0, killed renamable $x[[REGSIADDR]] :: (dereferenceable load 4 from @sint)
+; 64BIT-DAG:   STD killed renamable $x[[REGSI]], 144, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGLL2ADDR:[0-9]+]] = LDtoc @ll2, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGLL2:[0-9]+]] = LD 0, killed renamable $x[[REGLL2ADDR]] :: (dereferenceable load 8 from @ll2)
+; 64BIT-DAG:   STD killed renamable $x[[REGLL2]], 152, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGUCADDR:[0-9]+]] = LDtoc @uc1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGUC:[0-9]+]] = LBZ8 0, killed renamable $x[[REGUCADDR]] :: (dereferenceable load 1 from @uc1)
+; 64BIT-DAG:   STD killed renamable $x[[REGUC]], 160, $x1 :: (store 8)
+; 64BIT-DAG:   renamable $x[[REGIADDR:[0-9]+]] = LDtoc @i1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGI:[0-9]+]] = LWZ8 0, killed renamable $x[[REGIADDR]] :: (dereferenceable load 4 from @i1)
+; 64BIT-DAG:   STD killed renamable $x[[REGI]], 168, $x1 :: (store 8)
+; 64BIT-DAG:   ADJCALLSTACKDOWN 176, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT:  BL8_NOP <mcsymbol .test_ints_stack>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x4, implicit $x5, implicit $x6, implicit $x7, implicit $x8, implicit $x9, implicit $x10, implicit $x2, implicit-def $r1, implicit-def dead $x3
+; 64BIT-NEXT:  ADJCALLSTACKUP 176, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT:  BLR8 implicit $lr8, implicit $rm
+
+; CHECKASM-LABEL:  .caller_ints_stack:
+
+; ASM32PWR4:        mflr 0
+; ASM32PWR4-DAG:    stw 0, 8(1)
+; ASM32PWR4-DAG:    stwu 1, -96(1)
+; ASM32PWR4-DAG:    li 3, 1
+; ASM32PWR4-DAG:    li 4, 2
+; ASM32PWR4-DAG:    li 5, 3
+; ASM32PWR4-DAG:    li 6, 4
+; ASM32PWR4-DAG:    li 7, 5
+; ASM32PWR4-DAG:    li 9, 7
+; ASM32PWR4-DAG:    li 8, 6
+; ASM32PWR4-DAG:    li 10, 8
+; ASM32PWR4-DAG:    lwz [[REG1:[0-9]+]], LC10(2)
+; ASM32PWR4-DAG:    lwz [[REG2:[0-9]+]], LC11(2)
+; ASM32PWR4-DAG:    lwz [[REG3:[0-9]+]], LC12(2)
+; ASM32PWR4-DAG:    lwz [[REG4:[0-9]+]], LC13(2)
+; ASM32PWR4-DAG:    lwz [[REG5:[0-9]+]], LC14(2)
+; ASM32PWR4-DAG:    lwz [[REG6:[0-9]+]], LC15(2)
+; ASM32PWR4-DAG:    lwz [[REG7:[0-9]+]], LC16(2)
+; ASM32PWR4-DAG:    lwz [[REG8:[0-9]+]], LC17(2)
+; ASM32PWR4-DAG:    lha 5, 0([[REG1]])
+; ASM32PWR4-DAG:    lwz 11, 0([[REG7]])
+; ASM32PWR4-DAG:    lwz 7, 4([[REG7]])
+; ASM32PWR4-DAG:    lbz 4, 0([[REG2]])
+; ASM32PWR4-DAG:    lwz 3, 0([[REG8]])
+; ASM32PWR4-DAG:    lwz 6, 0([[REG3]])
+; ASM32PWR4-DAG:    lwz 9, 0([[REG4]])
+; ASM32PWR4-DAG:    lwz 8, 4([[REG4]])
+; ASM32PWR4-DAG:    lbz 10, 0([[REG5]])
+; ASM32PWR4-DAG:    lwz 12, 0([[REG6]])
+; ASM32PWR4-DAG:    stw 11, 56(1)
+; ASM32PWR4-DAG:    stw 7, 60(1)
+; ASM32PWR4-DAG:    stw 5, 64(1)
+; ASM32PWR4-DAG:    stw 4, 68(1)
+; ASM32PWR4-DAG:    stw 3, 72(1)
+; ASM32PWR4-DAG:    stw 6, 76(1)
+; ASM32PWR4-DAG:    stw 9, 80(1)
+; ASM32PWR4-DAG:    stw 8, 84(1)
+; ASM32PWR4-DAG:    stw 10, 88(1)
+; ASM32PWR4-DAG:    stw 12, 92(1)
+; ASM32PWR4-DAG:    bl .test_ints_stack
+; ASM32PWR4-DAG:    nop
+; ASM32PWR4-DAG:    addi 1, 1, 96
+; ASM32PWR4-DAG:    lwz 0, 8(1)
+; ASM32PWR4-NEXT:   mtlr 0
+; ASM32PWR4-NEXT:   blr
+
+; ASM64PWR4:        mflr 0
+; ASM64PWR4-DAG:    std 0, 16(1)
+; ASM64PWR4-DAG:    stdu 1, -176(1)
+; ASM64PWR4-DAG:    li 3, 1
+; ASM64PWR4-DAG:    li 4, 2
+; ASM64PWR4-DAG:    li 5, 3
+; ASM64PWR4-DAG:    li 6, 4
+; ASM64PWR4-DAG:    li 7, 5
+; ASM64PWR4-DAG:    li 8, 6
+; ASM64PWR4-DAG:    li 9, 7
+; ASM64PWR4-DAG:    li 10, 8
+; ASM64PWR4-DAG:    ld [[REG1:[0-9]+]], LC9(2)
+; ASM64PWR4-DAG:    ld [[REG2:[0-9]+]], LC10(2)
+; ASM64PWR4-DAG:    ld [[REG3:[0-9]+]], LC11(2)
+; ASM64PWR4-DAG:    ld [[REG4:[0-9]+]], LC12(2)
+; ASM64PWR4-DAG:    ld [[REG5:[0-9]+]], LC13(2)
+; ASM64PWR4-DAG:    ld [[REG6:[0-9]+]], LC14(2)
+; ASM64PWR4-DAG:    ld [[REG7:[0-9]+]], LC15(2)
+; ASM64PWR4-DAG:    ld [[REG8:[0-9]+]], LC16(2)
+; ASM64PWR4-DAG:    lha 7, 0([[REG1]])
+; ASM64PWR4-DAG:    lbz 5, 0([[REG2]])
+; ASM64PWR4-DAG:    ld 6, 0([[REG3]])
+; ASM64PWR4-DAG:    lbz 8, 0([[REG4]])
+; ASM64PWR4-DAG:    lwz 9, 0([[REG5]])
+; ASM64PWR4-DAG:    ld 11, 0([[REG6]])
+; ASM64PWR4-DAG:    lwz 3, 0([[REG7]])
+; ASM64PWR4-DAG:    lwz 4, 0([[REG8]])
+; ASM64PWR4-DAG:    std 11, 112(1)
+; ASM64PWR4-DAG:    std 7, 120(1)
+; ASM64PWR4-DAG:    std 5, 128(1)
+; ASM64PWR4-DAG:    std 3, 136(1)
+; ASM64PWR4-DAG:    std 4, 144(1)
+; ASM64PWR4-DAG:    std 6, 152(1)
+; ASM64PWR4-DAG:    std 8, 160(1)
+; ASM64PWR4-DAG:    std 9, 168(1)
+; ASM64PWR4-NEXT:   bl .test_ints_stack
+; ASM64PWR4-NEXT:   nop
+; ASM64PWR4-NEXT:   addi 1, 1, 176
+; ASM64PWR4-NEXT:   ld 0, 16(1)
+; ASM64PWR4-NEXT:   mtlr 0
+; ASM64PWR4-NEXT:   blr
+
+ at globali1 = global i8 0, align 1
+
+define void @test_i1_stack(i32 %a, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i1 zeroext %b) {
+  entry:
+    %frombool = zext i1 %b to i8
+    store i8 %frombool, i8* @globali1, align 1
+    ret void
+}
+
+; CHECK-LABEL:  name:   test_i1_stack
+
+; 32BIT-LABEL: fixedStack:
+; 32BIT-DAG:   - { id: 0, type: default, offset: 59, size: 1
+; 32BIT-DAG:   body:             |
+; 32BIT-DAG:    bb.0.entry:
+; 32BIT-DAG:     renamable $r[[REGB:[0-9]+]] = LBZ 0, %fixed-stack.0 :: (load 1 from %fixed-stack.0)
+; 32BIT-DAG:     renamable $r[[REGBTOC:[0-9]+]] = LWZtoc @globali1, $r2 :: (load 4 from got)
+; 32BIT-DAG:     STB killed renamable $r[[REGB]], 0, killed renamable $r[[REGBTOC]] :: (store 1 into @globali1)
+
+; 64BIT-LABEL: fixedStack:
+; 64BIT-DAG:   - { id: 0, type: default, offset: 119, size: 1
+; 64BIT-DAG:   body:             |
+; 64BIT-DAG:     bb.0.entry:
+; 64BIT-DAG:       renamable $r[[REGB:[0-9]+]] = LBZ 0, %fixed-stack.0 :: (load 1 from %fixed-stack.0)
+; 64BIT-DAG:       renamable $x[[REGBTOC:[0-9]+]] = LDtoc @globali1, $x2 :: (load 8 from got)
+; 64BIT-DAG:       STB killed renamable $r[[SCRATCHREG:[0-9]+]], 0, killed renamable $x[[REGBTOC]] :: (store 1 into @globali1)
+; 64BIT-DAG:       BLR8 implicit $lr8, implicit $rm
+
+; CHECKASM-LABEL:  test_i1_stack:
+
+; ASM32PWR4-DAG:   lbz [[REGB:[0-9]+]], 59(1)
+; ASM32PWR4-DAG:   lwz [[REGBTOC:[0-9]+]], LC18(2)
+; ASM32PWR4-DAG:   stb [[SCRATCHREG:[0-9]+]], 0([[REGBTOC]])
+; ASM32PWR4-DAG:   blr
+
+; ASM64PWR4-DAG:   lbz [[REGB:[0-9]+]], 119(1)
+; ASM64PWR4-DAG:   ld [[REGBTOC:[0-9]+]], LC17(2)
+; ASM64PWR4-DAG:   stb [[SCRATCHREG:[0-9]+]], 0([[REGBTOC]])
+; ASM64PWR4-DAG:   blr
+
+define void @call_test_i1_stack() {
+  entry:
+    call void @test_i1_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i1 true)
+    ret void
+}
+
+; CHECK-LABEL:  name:   call_test_i1_stack
+
+; 32BIT-DAG:   ADJCALLSTACKDOWN 60, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-DAG:   $r3 = LI 1
+; 32BIT-DAG:   $r4 = LI 2
+; 32BIT-DAG:   $r5 = LI 3
+; 32BIT-DAG:   $r6 = LI 4
+; 32BIT-DAG:   $r7 = LI 5
+; 32BIT-DAG:   $r8 = LI 6
+; 32BIT-DAG:   $r9 = LI 7
+; 32BIT-DAG:   $r10 = LI 8
+; 32BIT-DAG:   renamable $r[[REGBOOLADDR:[0-9]+]] = LI 1
+; 32BIT-DAG:   STW killed renamable $r[[REGBOOLADDR]], 56, $r1 :: (store 4)
+; 32BIT-DAG:   BL_NOP <mcsymbol .test_i1_stack>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r4, implicit $r5, implicit $r6, implicit $r7, implicit $r8, implicit $r9, implicit $r10, implicit $r2, implicit-def $r1
+; 32BIT-DAG:   ADJCALLSTACKUP 60, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT-DAG:  ADJCALLSTACKDOWN 120, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-DAG:  $x3 = LI8 1
+; 64BIT-DAG:  $x4 = LI8 2
+; 64BIT-DAG:  $x5 = LI8 3
+; 64BIT-DAG:  $x6 = LI8 4
+; 64BIT-DAG:  $x7 = LI8 5
+; 64BIT-DAG:  $x8 = LI8 6
+; 64BIT-DAG:  $x9 = LI8 7
+; 64BIT-DAG:  $x10 = LI8 8
+; 64BIT-DAG:  renamable $x[[REGBOOLADDR:[0-9]+]] = LI8 1
+; 64BIT-DAG:  STD killed renamable $x[[REGBOOLADDR]], 112, $x1 :: (store 8)
+; 64BIT-DAG:  BL8_NOP <mcsymbol .test_i1_stack>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x4, implicit $x5, implicit $x6, implicit $x7, implicit $x8, implicit $x9, implicit $x10, implicit $x2, implicit-def $r1
+; 64BIT-DAG:  ADJCALLSTACKUP 120, 0, implicit-def dead $r1, implicit $r1
+
+; CHECKASM-LABEL: .call_test_i1_stack:
+
+; ASM32PWR4-DAG:   mflr 0
+; ASM32PWR4-DAG:   li 3, 1
+; ASM32PWR4-DAG:   li 4, 2
+; ASM32PWR4-DAG:   li 5, 3
+; ASM32PWR4-DAG:   li 6, 4
+; ASM32PWR4-DAG:   li 7, 5
+; ASM32PWR4-DAG:   li 8, 6
+; ASM32PWR4-DAG:   li 9, 7
+; ASM32PWR4-DAG:   li 10, 8
+; ASM32PWR4-DAG:   stw [[REGB:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:   li [[REGB]], 1
+; ASM32PWR4-DAG:   bl .test_i1
+
+; ASM64PWR-DAG:    mflr 0
+; ASM64PWR-DAG:    li 3, 1
+; ASM64PWR-DAG:    li 4, 2
+; ASM64PWR-DAG:    li 5, 3
+; ASM64PWR-DAG:    li 6, 4
+; ASM64PWR-DAG:    li 7, 5
+; ASM64PWR-DAG:    li 8, 6
+; ASM64PWR-DAG:    li 9, 7
+; ASM64PWR-DAG:    li 10, 8
+; ASM64PWR-DAG:    std [[REGB:[0-9]+]], 112(1)
+; ASM64PWR-DAG:    li [[REGB]], 1
+; ASM64PWR-DAG:    bl .test_i1
+
+define double @test_fpr_stack(double %d1, double %d2, double %d3, double %d4, double %d5, double %d6, double %d7, double %d8, double %d9, double %s10, double %l11, double %d12, double %d13, float %f14, double %d15, float %f16) {
+  entry:
+    %add = fadd double %d1, %d2
+    %add1 = fadd double %add, %d3
+    %add2 = fadd double %add1, %d4
+    %add3 = fadd double %add2, %d5
+    %add4 = fadd double %add3, %d6
+    %add5 = fadd double %add4, %d7
+    %add6 = fadd double %add5, %d8
+    %add7 = fadd double %add6, %d9
+    %add8 = fadd double %add7, %s10
+    %add9 = fadd double %add8, %l11
+    %add10 = fadd double %add9, %d12
+    %add11 = fadd double %add10, %d13
+    %add12 = fadd double %add11, %d13
+    %conv = fpext float %f14 to double
+    %add13 = fadd double %add12, %conv
+    %add14 = fadd double %add13, %d15
+    %conv15 = fpext float %f16 to double
+    %add16 = fadd double %add14, %conv15
+    ret double %add16
+  }
+
+; CHECK-LABEL: name: test_fpr_stack{{.*}}
+
+; CHECK-LABEL: liveins:
+; CHECK-DAG:   - { reg: '$f1', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f2', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f3', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f4', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f5', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f6', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f7', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f8', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f9', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f10', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f11', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f12', virtual-reg: '' }
+; CHECK-DAG:   - { reg: '$f13', virtual-reg: '' }
+
+; CHECK-LABEL: fixedStack:
+; 32BIT-DAG:   - { id: 2, type: default, offset: 128, size: 4
+; 32BIT-DAG:   - { id: 1, type: default, offset: 132, size: 8
+; 32BIT-DAG:   - { id: 0, type: default, offset: 140, size: 4
+
+; 64BIT-DAG:   - { id: 2, type: default, offset: 152, size: 4
+; 64BIT-DAG:   - { id: 1, type: default, offset: 160, size: 8
+; 64BIT-DAG:   - { id: 0, type: default, offset: 168, size: 4
+
+; CHECK-LABEL: body:             |
+; CHECK-DAG:    bb.0.entry:
+; CHECK-DAG:      liveins: $f1, $f2, $f3, $f4, $f5, $f6, $f7, $f8, $f9, $f10, $f11, $f12, $f13
+
+; CHECKASM-LABEL:  .test_fpr_stack:
+
+; ASM32PWR4-DAG:   lfs  [[REG1:[0-9]+]], 128(1)
+; ASM32PWR4-DAG:   lfd  [[REG2:[0-9]+]], 132(1)
+; ASM32PWR4-DAG:   lfs  [[REG3:[0-9]+]], 140(1)
+; ASM32PWR4-DAG:   fadd 0, 0, [[REG1]]
+; ASM32PWR4-DAG:   fadd 0, 0, [[REG2]]
+; ASM32PWR4-DAG:   fadd 1, 0, [[REG3]]
+
+; ASM64PWR4-DAG:   lfs [[REG1:[0-9]+]], 152(1)
+; ASM64PWR4-DAG:   lfd [[REG2:[0-9]+]], 160(1)
+; ASM64PWR4-DAG:   lfs [[REG3:[0-9]+]], 168(1)
+; ASM64PWR4-DAG:   fadd 0, 0, [[REG1]]
+; ASM64PWR4-DAG:   fadd 0, 0, [[REG2]]
+; ASM64PWR4-DAG:   fadd 1, 0, [[REG3]]
+
+ at f14 = common global float 0.000000e+00, align 4
+ at d15 = common global double 0.000000e+00, align 8
+ at f16 = common global float 0.000000e+00, align 4
+
+define void @caller_fpr_stack() {
+entry:
+  %0 = load float, float* @f14, align 4
+  %1 = load double, double* @d15, align 8
+  %2 = load float, float* @f16, align 4
+  %call = call double @test_fpr_stack(double 1.000000e-01, double 2.000000e-01, double 3.000000e-01, double 4.000000e-01, double 5.000000e-01, double 6.000000e-01, double 0x3FE6666666666666, double 8.000000e-01, double 9.000000e-01, double 1.000000e-01, double 1.100000e-01, double 1.200000e-01, double 1.300000e-01, float %0, double %1, float %2)
+  ret void
+}
+
+; CHECK-LABEL: caller_fpr_stack
+
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.0, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.2, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.3, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.4, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.5, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.6, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.7, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.8, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.9, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.10, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.11, $r2 :: (load 4 from got)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 56, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 60, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 64, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 68, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 72, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 76, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 80, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[SCRATCHREG:[0-9]+]], 84, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 88, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 92, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 96, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 100, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 104, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 108, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 112, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 116, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 120, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 124, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 128, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGF1:[0-9]+]] = LWZtoc @f14, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r3 = LWZ 0, killed renamable $r[[REGF1]] :: (load 4 from @f14)
+; 32BIT-DAG:   STFD killed renamable $f0, 132, $r1 :: (store 8)
+; 32BIT-DAG:   renamable $r[[REGD:[0-9]+]] = LWZtoc @d15, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $f0 = LFD 0, killed renamable $r[[REGD]] :: (dereferenceable load 8 from @d15)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 140, $r1 :: (store 4)
+; 32BIT-DAG:   renamable $r[[REGF2:[0-9]+]] = LWZtoc @f16, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZ 0, killed renamable $r[[REGF2]] :: (load 4 from @f16)
+; 32BIT-DAG:   renamable $f1 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f2 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f3 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f4 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f5 = LFS 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 4 from constant-pool)
+; 32BIT-DAG:   renamable $f6 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f7 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f8 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f9 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   $f10 = COPY renamable $f1
+; 32BIT-DAG:   renamable $f11 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f12 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $f13 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-NEXT:  BL_NOP <mcsymbol .test_fpr_stack>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit killed $f10, implicit $f11, implicit $f12, implicit $f13, implicit $r2, implicit-def $r1, implicit-def dead $f1
+; 32BIT-NEXT:  ADJCALLSTACKUP 144, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.0, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.2, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.[[SCRATCHREG:[0-9]+]], $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.4, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.5, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.6, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.7, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.8, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.9, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.10, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[REGF1:[0-9]+]] = LDtoc @f14, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $r3 = LWZ 0, killed renamable $x[[REGF1]] :: (load 4 from @f14)
+; 64BIT-DAG:   renamable $x[[REGF2:[0-9]+]] = LDtoc @f16, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $r5 = LWZ 0, killed renamable $x[[REGF2]] :: (load 4 from @f16)
+; 64BIT-DAG:   renamable $x[[REGD:[0-9]+]] = LDtoc @d15, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x4 = LD 0, killed renamable $x[[REGD]] :: (load 8 from @d15)
+; 64BIT-DAG:   ADJCALLSTACKDOWN 176, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-DAG:   renamable $f1 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f2 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f[[SCRATCHREG:[0-9]+]] = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f4 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f5 = LFS 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 4 from constant-pool)
+; 64BIT-DAG:   renamable $f6 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f7 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f8 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f9 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   $f10 = COPY renamable $f1
+; 64BIT-DAG:   renamable $f11 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f12 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f13 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   BL8_NOP <mcsymbol .test_fpr_stack>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit killed $f10, implicit $f11, implicit $f12, implicit $f13, implicit $x2, implicit-def $r1, implicit-def dead $f1
+; 64BIT-NEXT:   ADJCALLSTACKUP 176, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT:   BLR8 implicit $lr8, implicit $rm
+
+; CHECKASM-LABEL:  .caller_fpr_stack:
+
+; ASM32PWR4:       mflr 0
+; ASM32PWR4-DAG:   stw 0, 8(1)
+; ASM32PWR4-DAG:   stwu 1, -144(1)
+; ASM32PWR4-DAG:   lwz [[REGF1ADDR:[0-9]+]], LC20(2)
+; ASM32PWR4-DAG:   lwz [[REGF1:[0-9]+]], 0([[REGF1ADDR]])
+; ASM32PWR4-DAG:   lwz [[REGDADDR:[0-9]+]], LC19(2)
+; ASM32PWR4-DAG:   lfd [[REGD:[0-9]+]], 0([[REGDADDR]])
+; ASM32PWR4-DAG:   lwz [[REGF2ADDR:[0-9]+]], LC21(2)
+; ASM32PWR4-DAG:   lwz [[REGF2:[0-9]+]], 0([[REGF2ADDR]])
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 60(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 64(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 68(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 72(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 76(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 80(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 84(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 88(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 92(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 96(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 100(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 108(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 104(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 112(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 116(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 120(1)
+; ASM32PWR4-DAG:   stw [[SCRATCHREG:[0-9]+]], 124(1)
+; ASM32PWR4-DAG:   stw [[REGF1]], 128(1)
+; ASM32PWR4-DAG:   stfd [[REGD]], 132(1)
+; ASM32PWR4-DAG:   stw [[REGF2]], 140(1)
+; ASM32PWR4-NEXT:  bl .test_fpr_stack
+
+; ASM64PWR4:       mflr 0
+; ASM64PWR4-DAG:   std 0, 16(1)
+; ASM64PWR4-DAG:   stdu 1, -176(1)
+; ASM64PWR4-DAG:   ld [[REGF1ADDR:[0-9]+]], LC18(2)
+; ASM64PWR4-DAG:   lwz [[REGF1:[0-9]+]], 0([[REGF1ADDR]])
+; ASM64PWR4-DAG:   ld [[REGDADDR:[0-9]+]], LC19(2)
+; ASM64PWR4-DAG:   ld [[REGD:[0-9]+]], 0([[REGDADDR]])
+; ASM64PWR4-DAG:   ld [[REGF2ADDR:[0-9]+]], LC20(2)
+; ASM64PWR4-DAG:   lwz [[REGF2:[0-9]+]], 0([[REGF2ADDR]])
+; ASM64PWR4-DAG:   std [[SCRATCHREG:[0-9]+]], 112(1)
+; ASM64PWR4-DAG:   std [[SCRATCHREG:[0-9]+]], 120(1)
+; ASM64PWR4-DAG:   std [[SCRATCHREG:[0-9]+]], 128(1)
+; ASM64PWR4-DAG:   std [[SCRATCHREG:[0-9]+]], 136(1)
+; ASM64PWR4-DAG:   std [[SCRATCHREG:[0-9]+]], 144(1)
+; ASM64PWR4-DAG:   stw [[REGF1]], 152(1)
+; ASM64PWR4-DAG:   std [[REGD]], 160(1)
+; ASM64PWR4-DAG:   stw [[REGF2]], 168(1)
+; ASM64PWR4-NEXT:  bl .test_fpr_stack
+
+define i32 @mix_callee(double %d1, double %d2, double %d3, double %d4, i8 zeroext %c1, i16 signext %s1, i64 %ll1, i32 %i1, i32 %i2, i32 %i3) {
+  entry:
+    %add = fadd double %d1, %d2
+    %add1 = fadd double %add, %d3
+    %add2 = fadd double %add1, %d4
+    %conv = zext i8 %c1 to i32
+    %conv3 = sext i16 %s1 to i32
+    %add4 = add nsw i32 %conv, %conv3
+    %conv5 = sext i32 %add4 to i64
+    %add6 = add nsw i64 %conv5, %ll1
+    %conv7 = sext i32 %i1 to i64
+    %add8 = add nsw i64 %add6, %conv7
+    %conv9 = sext i32 %i2 to i64
+    %add10 = add nsw i64 %add8, %conv9
+    %conv11 = sext i32 %i3 to i64
+    %add12 = add nsw i64 %add10, %conv11
+    %conv13 = trunc i64 %add12 to i32
+    %conv14 = sitofp i32 %conv13 to double
+    %add15 = fadd double %conv14, %add2
+    %conv16 = fptosi double %add15 to i32
+    ret i32 %conv16
+  }
+
+; CHECK-LABEL: mix_callee
+
+; 32BIT-LABEL: liveins:
+; 32BIT-DAG:   - { reg: '$f1', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f2', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f3', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f4', virtual-reg: '' }
+
+; 32BIT-LABEL: fixedStack:
+; 32BIT-DAG:   - { id: 6, type: default, offset: 56, size: 4
+; 32BIT-DAG:   - { id: 5, type: default, offset: 60, size: 4
+; 32BIT-DAG:   - { id: 4, type: default, offset: 64, size: 4
+; 32BIT-DAG:   - { id: 3, type: default, offset: 68, size: 4
+; 32BIT-DAG:   - { id: 2, type: default, offset: 72, size: 4
+; 32BIT-DAG:   - { id: 1, type: default, offset: 76, size: 4
+; 32BIT-DAG:   - { id: 0, type: default, offset: 80, size: 4
+
+; 32BIT-LABEL: body:             |
+; 32BIT-DAG:     bb.0.entry:
+; 32BIT-DAG:     liveins: $f1, $f2, $f3, $f4
+
+; 64BIT-LABEL:  liveins:
+; 64BIT-DAG:    - { reg: '$f1', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$f2', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$f3', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$f4', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$x7', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$x8', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$x9', virtual-reg: '' }
+; 64BIT-DAG:    - { reg: '$x10', virtual-reg: '' }
+
+; 64BIT-LABEL: fixedStack:
+; 64BIT-DAG:   - { id: 1, type: default, offset: 116, size: 4
+; 64BIT-DAG:   - { id: 0, type: default, offset: 124, size: 4
+
+; 64BIT-LABEL: body:             |
+; 64BIT-DAG:    bb.0.entry:
+; 64BIT-DAG:     liveins: $f1, $f2, $f3, $f4, $x7, $x8, $x9, $x10
+
+; CHECKASM-LABEL:   .mix_callee
+
+; ASM32PWR4-DAG:   lwz [[REG1:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:   lwz [[REG2:[0-9]+]], 60(1)
+; ASM32PWR4-DAG:   lwz [[REG4:[0-9]+]], 68(1)
+; ASM32PWR4-DAG:   lwz [[REG5:[0-9]+]], 72(1)
+; ASM32PWR4-DAG:   lwz [[REG6:[0-9]+]], 76(1)
+; ASM32PWR4-DAG:   lwz [[REG7:[0-9]+]], 80(1)
+; ASM32PWR4-DAG:   blr
+
+; ASM64PWR-DAG:    ld [[REG1:[0-9]+]], 112(1)
+; ASM64PWR-DAG:    ld [[REG2:[0-9]+]], 120(1)
+; ASM64PWR-DAG:    fadd 0, 0, [[REG1]]
+; ASM64PWR-DAG:    add 3, 3, [[REG2]]
+; ASM64PWR-DAG:    blr
+
+define void @caller_mix() {
+  entry:
+%call = call i32 @mix_callee(double 1.000000e-01, double 2.000000e-01, double 3.000000e-01, double 4.000000e-01, i8 zeroext 1, i16 signext 2, i64 30000000, i32 40, i32 50, i32 60)
+    ret void
+  }
+
+; CHECK-LABEL: name: caller_mix
+
+; 32BIT-DAG:   ADJCALLSTACKDOWN 84, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.0, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $f1 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.1, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $f2 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.2, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $f3 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.3, $r2 :: (load 4 from got)
+; 32BIT-DAG:   renamable $f4 = LFD 0, killed renamable $r[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 1
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 2
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LIS 457
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 0
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 40
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 50
+; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LI 60
+; 32BIT-DAG:   STW killed renamable $r[[REG1:[0-9]+]], 56, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG2:[0-9]+]], 60, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG3:[0-9]+]], 64, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG4:[0-9]+]], 68, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG5:[0-9]+]], 72, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG6:[0-9]+]], 76, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG7:[0-9]+]], 80, $r1 :: (store 4)
+; 32BIT-DAG:   BL_NOP <mcsymbol .mix_callee>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $r2, implicit-def $r1, implicit-def dead $r3
+; 32BIT-DAG:   ADJCALLSTACKUP 84, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-NEXT:  BLR implicit $lr, implicit $rm
+
+; 64BIT-DAG:   ADJCALLSTACKDOWN 128, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.0, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.1, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.2, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LDtocCPT %const.3, $x2 :: (load 8 from got)
+; 64BIT-DAG:   renamable $f1 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f2 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f3 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $f4 = LFD 0, killed renamable $x[[SCRATCHREG:[0-9]+]] :: (load 8 from constant-pool)
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LI8 50
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LI8 60
+; 64BIT-DAG:   renamable $x[[SCRATCHREG:[0-9]+]] = LIS8 457
+; 64BIT-DAG:   $x7 = LI8 1
+; 64BIT-DAG:   $x8 = LI8 2
+; 64BIT-DAG:   $x10 = LI8 40
+; 64BIT-DAG:   STD killed renamable $x[[REG1:[0-9]+]], 112, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG2:[0-9]+]], 120, $x1 :: (store 8)
+; 64BIT:       ADJCALLSTACKUP 128, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT:  BLR8 implicit $lr8, implicit $rm
+
+; CHEKASM-LABEL:   .caller_mix
+
+; ASM32PWR4:        mflr 0
+; ASM32PWR4-DAG:    stw [[REG1:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:    stw [[REG2:[0-9]+]], 60(1)
+; ASM32PWR4-DAG:    stw [[REG3:[0-9]+]], 64(1)
+; ASM32PWR4-DAG:    stw [[REG4:[0-9]+]], 68(1)
+; ASM32PWR4-DAG:    stw [[REG5:[0-9]+]], 72(1)
+; ASM32PWR4-DAG:    stw [[REG6:[0-9]+]], 76(1)
+; ASM32PWR4-DAG:    stw [[REG7:[0-9]+]], 80(1)
+; ASM32PWR4-DAG:    bl .mix_callee
+; ASM32PWR4-DAG:    blr
+
+; ASM64PWR4:        mflr 0
+; ASM64PWR4-DAG:    std [[REG1:[0-9]+]], 112(1)
+; ASM64PWR4-DAG:    std [[REG2:[0-9]+]], 120(1)
+; ASM64PWR4-DAG:    bl .mix_callee
+; ASM64PWR4-DAG:    blr
+
+
+  define i32 @mix_floats(i32 %i1, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6, i32 %i7, i32 %i8, double %d1, double %d2, double %d3, double %d4, double %d5, double %d6, double %d7, double %d8, double %d9, double %d10, double %d11, double %d12, double %d13, double %d14) {
+  entry:
+    %add = add nsw i32 %i1, %i2
+    %add1 = add nsw i32 %add, %i3
+    %add2 = add nsw i32 %add1, %i4
+    %add3 = add nsw i32 %add2, %i5
+    %add4 = add nsw i32 %add3, %i6
+    %add5 = add nsw i32 %add4, %i7
+    %add6 = add nsw i32 %add5, %i8
+    %conv = sitofp i32 %add6 to double
+    %add7 = fadd double %conv, %d1
+    %add8 = fadd double %add7, %d2
+    %add9 = fadd double %add8, %d3
+    %add10 = fadd double %add9, %d4
+    %add11 = fadd double %add10, %d5
+    %add12 = fadd double %add11, %d6
+    %add13 = fadd double %add12, %d7
+    %add14 = fadd double %add13, %d8
+    %add15 = fadd double %add14, %d9
+    %add16 = fadd double %add15, %d10
+    %add17 = fadd double %add16, %d11
+    %add18 = fadd double %add17, %d12
+    %add19 = fadd double %add18, %d13
+    %add20 = fadd double %add19, %d14
+    %conv21 = fptosi double %add20 to i32
+    ret i32 %conv21
+  }
+
+; CHECK-LABEL:   mix_floats
+
+; 32BIT-LABEL:  liveins:
+; 32BIT-DAG:   - { reg: '$r3', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r4', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r5', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r6', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r7', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r8', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r9', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$r10', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f1', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f2', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f3', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f4', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f5', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f6', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f7', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f8', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f9', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f10', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f11', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f12', virtual-reg: '' }
+; 32BIT-DAG:   - { reg: '$f13', virtual-reg: '' }
+
+; 32BIT-LABEL: fixedStack:
+; 32BIT-DAG:   - { id: 0, type: default, offset: 160, size: 8
+
+; 32BIT-LABEL: body:             |
+; 32BIT-DAG:     bb.0.entry:
+; 32BIT-DAG:       liveins: $f1, $f2, $f3, $f4, $f5, $f6, $f7, $f8, $f9, $f10, $f11, $f12, $f13, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10
+
+; 64BIT-DAG:   liveins:
+; 64BIT-DAG:   - { reg: '$x3', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x4', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x5', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x6', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x7', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x8', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x9', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$x10', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f1', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f2', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f3', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f4', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f5', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f6', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f7', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f8', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f9', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f10', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f11', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f12', virtual-reg: '' }
+; 64BIT-DAG:   - { reg: '$f13', virtual-reg: '' }
+
+; 64BIT-LABEL: fixedStack:
+; 64BIT-DAG:   - { id: 0, type: default, offset: 216, size: 8
+
+; 64BIT-LABEL: body:             |
+; 64BIT-DAG:     bb.0.entry:
+; 64BIT-DAG:       liveins: $f1, $f2, $f3, $f4, $f5, $f6, $f7, $f8, $f9, $f10, $f11, $f12, $f13, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10
+
+; CHECKASM-LABEL: .mix_floats:
+
+; ASM32PWR4-DAG:   lfd [[REGF:[0-9]+]], 160(1)
+; ASM32PWR4-DAG:   fadd 0, 0, [[REGF]]
+; ASM32PWR4-DAG:   blr
+
+; ASM64PWR4-DAG:   lfd [[REG1:[0-9]+]], 216(1)
+; ASM64PWR4-DAG:   fadd 0, 0, [[REG1]]
+; ASM64PWR4-DAG:   blr
+
+  define void @mix_floats_caller() {
+  entry:
+    %call = call i32 @mix_floats(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, double 1.000000e-01, double 2.000000e-01, double 3.000000e-01, double 4.000000e-01, double 5.000000e-01, double 6.000000e-01, double 0x3FE6666666666666, double 8.000000e-01, double 9.000000e-01, double 1.000000e+00, double 1.100000e+00, double 1.200000e+00, double 1.300000e+00, double 1.400000e+00)
+    ret void
+  }
+
+; CHECK-LABEL: mix_floats_caller
+
+; 32BIT-DAG:   ADJCALLSTACKDOWN 168, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-DAG:   $r3 = LI 1
+; 32BIT-DAG:   $r4 = LI 2
+; 32BIT-DAG:   $r5 = LI 3
+; 32BIT-DAG:   $r6 = LI 4
+; 32BIT-DAG:   $r7 = LI 5
+; 32BIT-DAG:   $r8 = LI 6
+; 32BIT-DAG:   $r9 = LI 7
+; 32BIT-DAG:   $r10 = LI 8
+; 32BIT-DAG:   STW killed renamable $r[[REG1:[0-9]+]], 56, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG2:[0-9]+]], 60, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG3:[0-9]+]], 64, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG4:[0-9]+]], 68, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG5:[0-9]+]], 72, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG6:[0-9]+]], 76, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG7:[0-9]+]], 80, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG8:[0-9]+]], 84, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG9:[0-9]+]], 88, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG10:[0-9]+]], 92, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG11:[0-9]+]], 96, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG12:[0-9]+]], 100, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG13:[0-9]+]], 104, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG14:[0-9]+]], 108, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG15:[0-9]+]], 112, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG16:[0-9]+]], 116, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG17:[0-9]+]], 120, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG18:[0-9]+]], 128, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW renamable $r[[REG19:[0-9]+]], 124, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG20:[0-9]+]], 132, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG21:[0-9]+]], 136, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG22:[0-9]+]], 140, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG23:[0-9]+]], 144, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG24:[0-9]+]], 148, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG25:[0-9]+]], 152, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG26:[0-9]+]], 156, $r1 :: (store 4)
+; 32BIT-DAG:   STW killed renamable $r[[REG27:[0-9]+]], 160, $r1 :: (store 4, align 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG28:[0-9]+]], 164, $r1 :: (store 4)
+; 32BIT-NEXT:  BL_NOP <mcsymbol .mix_floats>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r4, implicit $r5, implicit $r6, implicit $r7, implicit $r8, implicit $r9, implicit $r10, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit $f10, implicit $f11, implicit $f12, implicit $f13, implicit $r2, implicit-def $r1, implicit-def dead $r3
+; 32BIT-NEXT:   ADJCALLSTACKUP 168, 0, implicit-def dead $r1, implicit $r1
+
+
+; 64BIT-DAG:   ADJCALLSTACKDOWN 224, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-DAG:   $x3 = LI8 1
+; 64BIT-DAG:   $x4 = LI8 2
+; 64BIT-DAG:   $x5 = LI8 3
+; 64BIT-DAG:   $x6 = LI8 4
+; 64BIT-DAG:   $x7 = LI8 5
+; 64BIT-DAG:   $x8 = LI8 6
+; 64BIT-DAG:   $x9 = LI8 7
+; 64BIT-DAG:   $x10 = LI8 8
+; 64BIT-DAG:   STD killed renamable $x[[REG1:[0-9]+]], 112, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG2:[0-9]+]], 120, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG3:[0-9]+]], 128, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG4:[0-9]+]], 136, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG5:[0-9]+]], 144, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG6:[0-9]+]], 152, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG7:[0-9]+]], 160, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG8:[0-9]+]], 168, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG9:[0-9]+]], 176, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG10:[0-9]+]], 184, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG12:[0-9]+]], 192, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG13:[0-9]+]], 200, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG14:[0-9]+]], 208, $x1 :: (store 8)
+; 64BIT-DAG:   STD killed renamable $x[[REG15:[0-9]+]], 216, $x1 :: (store 8)
+; 64BIT-DAG:   BL8_NOP <mcsymbol .mix_floats>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x4, implicit $x5, implicit $x6, implicit $x7, implicit $x8, implicit $x9, implicit $x10, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit $f10, implicit $f11, implicit $f12, implicit $f13, implicit $x2, implicit-def $r1, implicit-def dead $x3
+; 64BIT-NEXT:  ADJCALLSTACKUP 224, 0, implicit-def dead $r1, implicit $r1
+
+; CHEKASM-LABEL:    .mix_floats_caller:
+
+; ASM32PWR4:       mflr 0
+; ASM32PWR4-DAG:   stw 0, 8(1)
+; ASM32PWR4-DAG:   stwu 1, -176(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 56(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 60(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 64(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 68(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 72(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 76(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 80(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 84(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 88(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 92(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 96(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 100(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 104(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 108(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 112(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 116(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 120(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 124(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 128(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 132(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 136(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 140(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 144(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 148(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 152(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 156(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 160(1)
+; ASM32PWR4-DAG:   stw [[REG:[0-9]+]], 164(1)
+; ASM32PWR4-DAG:  bl .mix_floats
+
+; ASM64PWR4:      mflr 0
+; ASM64PWR4-DAG:  std 0, 16(1)
+; ASM64PWR4-DAG:  stdu 1, -240(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 112(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 120(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 128(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 136(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 144(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 152(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 160(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 168(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 176(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 184(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 192(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 200(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 208(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 216(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 224(1)
+; ASM64PWR4-DAG:  std [[REG:[0-9]+]], 232(1)
+; ASM64PWR4-DAG:  bl .mix_floats
+; ASM64PWR4-DAG:  ld [[REGF1:[0-9]+]], 232(1)
+; ASM64PWR4-DAG:  ld [[REGF2:[0-9]+]], 224(1)
+; ASM64PWR4-DAG: blr


        


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