diff options
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SROA.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Transforms/SROA/alignment.ll | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp index a541c5571c8..6c3f012c628 100644 --- a/llvm/lib/Transforms/Scalar/SROA.cpp +++ b/llvm/lib/Transforms/Scalar/SROA.cpp @@ -4029,6 +4029,8 @@ AllocaInst *SROA::rewritePartition(AllocaInst &AI, AllocaSlices &AS, NewAI = new AllocaInst( SliceTy, AI.getType()->getAddressSpace(), nullptr, Alignment, AI.getName() + ".sroa." + Twine(P.begin() - AS.begin()), &AI); + // Copy the old AI debug location over to the new one. + NewAI->setDebugLoc(AI.getDebugLoc()); ++NumNewAllocas; } diff --git a/llvm/test/Transforms/SROA/alignment.ll b/llvm/test/Transforms/SROA/alignment.ll index dd0661374fd..8bc90181246 100644 --- a/llvm/test/Transforms/SROA/alignment.ll +++ b/llvm/test/Transforms/SROA/alignment.ll @@ -1,4 +1,6 @@ ; RUN: opt < %s -sroa -S | FileCheck %s +; RUN: opt -debugify -sroa -S < %s | FileCheck %s -check-prefix DEBUGLOC + target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64" declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i1) @@ -35,6 +37,13 @@ define void @test2() { ; CHECK: store i8 42, i8* %{{.*}} ; CHECK: ret void +; Check that when sroa rewrites the alloca partition +; it preserves the original DebugLocation. +; DEBUGLOC-LABEL: @test2( +; DEBUGLOC: {{.*}} = alloca {{.*}} !dbg ![[DbgLoc:[0-9]+]] +; +; DEBUGLOC: ![[DbgLoc]] = !DILocation( + entry: %a = alloca { i8, i8, i8, i8 }, align 2 %gep1 = getelementptr { i8, i8, i8, i8 }, { i8, i8, i8, i8 }* %a, i32 0, i32 1 |
