[llvm-branch-commits] [llvm-branch] r271639 - Merging r259911:

Tom Stellard via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Fri Jun 3 02:50:06 PDT 2016


Author: tstellar
Date: Fri Jun  3 04:50:05 2016
New Revision: 271639

URL: http://llvm.org/viewvc/llvm-project?rev=271639&view=rev
Log:
Merging r259911:

------------------------------------------------------------------------
r259911 | Matthew.Arsenault | 2016-02-05 11:47:23 -0800 (Fri, 05 Feb 2016) | 5 lines

AMDGPU: Preserve alignments on new created globals

Also switch to internal linkage, and include the name of the function in
the name.

------------------------------------------------------------------------

Modified:
    llvm/branches/release_38/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp
    llvm/branches/release_38/test/CodeGen/AMDGPU/private-memory.ll
    llvm/branches/release_38/test/CodeGen/AMDGPU/promote-alloca-mem-intrinsics.ll

Modified: llvm/branches/release_38/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_38/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp?rev=271639&r1=271638&r2=271639&view=diff
==============================================================================
--- llvm/branches/release_38/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp (original)
+++ llvm/branches/release_38/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp Fri Jun  3 04:50:05 2016
@@ -355,10 +355,18 @@ void AMDGPUPromoteAlloca::visitAlloca(Al
   DEBUG(dbgs() << "Promoting alloca to local memory\n");
   LocalMemAvailable -= AllocaSize;
 
+  Function *F = I.getParent()->getParent();
+
   Type *GVTy = ArrayType::get(I.getAllocatedType(), 256);
   GlobalVariable *GV = new GlobalVariable(
-      *Mod, GVTy, false, GlobalValue::ExternalLinkage, 0, I.getName(), 0,
-      GlobalVariable::NotThreadLocal, AMDGPUAS::LOCAL_ADDRESS);
+      *Mod, GVTy, false, GlobalValue::InternalLinkage,
+      UndefValue::get(GVTy),
+      Twine(F->getName()) + Twine('.') + I.getName(),
+      nullptr,
+      GlobalVariable::NotThreadLocal,
+      AMDGPUAS::LOCAL_ADDRESS);
+  GV->setUnnamedAddr(true);
+  GV->setAlignment(I.getAlignment());
 
   FunctionType *FTy = FunctionType::get(
       Type::getInt32Ty(Mod->getContext()), false);

Modified: llvm/branches/release_38/test/CodeGen/AMDGPU/private-memory.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_38/test/CodeGen/AMDGPU/private-memory.ll?rev=271639&r1=271638&r2=271639&view=diff
==============================================================================
--- llvm/branches/release_38/test/CodeGen/AMDGPU/private-memory.ll (original)
+++ llvm/branches/release_38/test/CodeGen/AMDGPU/private-memory.ll Fri Jun  3 04:50:05 2016
@@ -8,6 +8,10 @@
 
 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
 
+; HSAOPT: @mova_same_clause.stack = internal unnamed_addr addrspace(3) global [256 x [5 x i32]] undef, align 4
+; HSAOPT: @high_alignment.stack = internal unnamed_addr addrspace(3) global [256 x [8 x i32]] undef, align 16
+
+
 ; FUNC-LABEL: {{^}}mova_same_clause:
 
 ; R600: LDS_WRITE
@@ -49,6 +53,28 @@ entry:
   %3 = load i32, i32* %arrayidx12
   %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
   store i32 %3, i32 addrspace(1)* %arrayidx13
+  ret void
+}
+
+; OPT-LABEL: @high_alignment(
+; OPT: getelementptr inbounds [256 x [8 x i32]], [256 x [8 x i32]] addrspace(3)* @high_alignment.stack, i32 0, i32 %{{[0-9]+}}
+define void @high_alignment(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
+entry:
+  %stack = alloca [8 x i32], align 16
+  %0 = load i32, i32 addrspace(1)* %in, align 4
+  %arrayidx1 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %0
+  store i32 4, i32* %arrayidx1, align 4
+  %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
+  %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
+  %arrayidx3 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %1
+  store i32 5, i32* %arrayidx3, align 4
+  %arrayidx10 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 0
+  %2 = load i32, i32* %arrayidx10, align 4
+  store i32 %2, i32 addrspace(1)* %out, align 4
+  %arrayidx12 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 1
+  %3 = load i32, i32* %arrayidx12
+  %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
+  store i32 %3, i32 addrspace(1)* %arrayidx13
   ret void
 }
 

Modified: llvm/branches/release_38/test/CodeGen/AMDGPU/promote-alloca-mem-intrinsics.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_38/test/CodeGen/AMDGPU/promote-alloca-mem-intrinsics.ll?rev=271639&r1=271638&r2=271639&view=diff
==============================================================================
--- llvm/branches/release_38/test/CodeGen/AMDGPU/promote-alloca-mem-intrinsics.ll (original)
+++ llvm/branches/release_38/test/CodeGen/AMDGPU/promote-alloca-mem-intrinsics.ll Fri Jun  3 04:50:05 2016
@@ -11,7 +11,7 @@ declare void @llvm.memset.p0i8.i32(i8* n
 declare i32 @llvm.objectsize.i32.p0i8(i8*, i1) #1
 
 ; CHECK-LABEL: @promote_with_memcpy(
-; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @alloca, i32 0, i32 %{{[0-9]+}}
+; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @promote_with_memcpy.alloca, i32 0, i32 %{{[0-9]+}}
 ; CHECK: call void @llvm.memcpy.p3i8.p1i8.i32(i8 addrspace(3)* %alloca.bc, i8 addrspace(1)* %in.bc, i32 68, i32 4, i1 false)
 ; CHECK: call void @llvm.memcpy.p1i8.p3i8.i32(i8 addrspace(1)* %out.bc, i8 addrspace(3)* %alloca.bc, i32 68, i32 4, i1 false)
 define void @promote_with_memcpy(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
@@ -25,7 +25,7 @@ define void @promote_with_memcpy(i32 add
 }
 
 ; CHECK-LABEL: @promote_with_memmove(
-; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @alloca.1, i32 0, i32 %{{[0-9]+}}
+; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @promote_with_memmove.alloca, i32 0, i32 %{{[0-9]+}}
 ; CHECK: call void @llvm.memmove.p3i8.p1i8.i32(i8 addrspace(3)* %alloca.bc, i8 addrspace(1)* %in.bc, i32 68, i32 4, i1 false)
 ; CHECK: call void @llvm.memmove.p1i8.p3i8.i32(i8 addrspace(1)* %out.bc, i8 addrspace(3)* %alloca.bc, i32 68, i32 4, i1 false)
 define void @promote_with_memmove(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
@@ -39,7 +39,7 @@ define void @promote_with_memmove(i32 ad
 }
 
 ; CHECK-LABEL: @promote_with_memset(
-; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @alloca.2, i32 0, i32 %{{[0-9]+}}
+; CHECK: getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @promote_with_memset.alloca, i32 0, i32 %{{[0-9]+}}
 ; CHECK: call void @llvm.memset.p3i8.i32(i8 addrspace(3)* %alloca.bc, i8 7, i32 68, i32 4, i1 false)
 define void @promote_with_memset(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
   %alloca = alloca [17 x i32], align 16
@@ -51,7 +51,7 @@ define void @promote_with_memset(i32 add
 }
 
 ; CHECK-LABEL: @promote_with_objectsize(
-; CHECK: [[PTR:%[0-9]+]] = getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @alloca.3, i32 0, i32 %{{[0-9]+}}
+; CHECK: [[PTR:%[0-9]+]] = getelementptr [256 x [17 x i32]], [256 x [17 x i32]] addrspace(3)* @promote_with_objectsize.alloca, i32 0, i32 %{{[0-9]+}}
 ; CHECK: call i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)* %alloca.bc, i1 false)
 define void @promote_with_objectsize(i32 addrspace(1)* %out) #0 {
   %alloca = alloca [17 x i32], align 16




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