[llvm-commits] [llvm] r48041 - in /llvm/trunk: lib/Target/PowerPC/PPCISelLowering.cpp test/CodeGen/PowerPC/return-val-i128.ll

[Dan Gohman]

Author: djg
Date: Fri Mar  7 18:19:12 2008
New Revision: 48041

URL: http://llvm.org/viewvc/llvm-project?rev=48041&view=rev
Log:
Add support for calls with i128 return values on ppc64.

Added:
    llvm/trunk/test/CodeGen/PowerPC/return-val-i128.ll
Modified:
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=48041&r1=48040&r2=48041&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Fri Mar  7 18:19:12 2008
@@ -2015,9 +2015,19 @@
     NodeTys.push_back(MVT::i32);
     break;
   case MVT::i64:
-    Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
-    ResultVals[0] = Chain.getValue(0);
-    NumResults = 1;
+    if (Op.Val->getValueType(1) == MVT::i64) {
+      Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
+      ResultVals[0] = Chain.getValue(0);
+      Chain = DAG.getCopyFromReg(Chain, PPC::X4, MVT::i64,
+                                 Chain.getValue(2)).getValue(1);
+      ResultVals[1] = Chain.getValue(0);
+      NumResults = 2;
+      NodeTys.push_back(MVT::i64);
+    } else {
+      Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
+      ResultVals[0] = Chain.getValue(0);
+      NumResults = 1;
+    }
     NodeTys.push_back(MVT::i64);
     break;
   case MVT::f64:

Added: llvm/trunk/test/CodeGen/PowerPC/return-val-i128.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/return-val-i128.ll?rev=48041&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/return-val-i128.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/return-val-i128.ll Fri Mar  7 18:19:12 2008
@@ -0,0 +1,36 @@
+; RUN: llvm-as < %s | llc -march=ppc64
+
+define i128 @__fixsfdi(float %a) {
+entry:
+	%a_addr = alloca float		; <float*> [#uses=4]
+	%retval = alloca i128, align 16		; <i128*> [#uses=2]
+	%tmp = alloca i128, align 16		; <i128*> [#uses=3]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store float %a, float* %a_addr
+	%tmp1 = load float* %a_addr, align 4		; <float> [#uses=1]
+	%tmp2 = fcmp olt float %tmp1, 0.000000e+00		; <i1> [#uses=1]
+	%tmp23 = zext i1 %tmp2 to i8		; <i8> [#uses=1]
+	%toBool = icmp ne i8 %tmp23, 0		; <i1> [#uses=1]
+	br i1 %toBool, label %bb, label %bb8
+bb:		; preds = %entry
+	%tmp4 = load float* %a_addr, align 4		; <float> [#uses=1]
+	%tmp5 = sub float -0.000000e+00, %tmp4		; <float> [#uses=1]
+	%tmp6 = call i128 @__fixunssfDI( float %tmp5 ) nounwind 		; <i128> [#uses=1]
+	%tmp7 = sub i128 0, %tmp6		; <i128> [#uses=1]
+	store i128 %tmp7, i128* %tmp, align 16
+	br label %bb11
+bb8:		; preds = %entry
+	%tmp9 = load float* %a_addr, align 4		; <float> [#uses=1]
+	%tmp10 = call i128 @__fixunssfDI( float %tmp9 ) nounwind 		; <i128> [#uses=1]
+	store i128 %tmp10, i128* %tmp, align 16
+	br label %bb11
+bb11:		; preds = %bb8, %bb
+	%tmp12 = load i128* %tmp, align 16		; <i128> [#uses=1]
+	store i128 %tmp12, i128* %retval, align 16
+	br label %return
+return:		; preds = %bb11
+	%retval13 = load i128* %retval		; <i128> [#uses=1]
+	ret i128 %retval13
+}
+
+declare i128 @__fixunssfDI(float)