diff options
| author | Stephen Hines <srhines@google.com> | 2012-08-23 19:08:53 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2012-08-23 19:08:53 -0700 |
| commit | 31675153bd2d7617db8cb6aeb58054934c7b9f73 (patch) | |
| tree | c1970fcebc736d4f731db0559a79a7ac5cb0f8bf /test/Transforms/DeadStoreElimination/simple.ll | |
| parent | 416bb6a168a9316547db6ce3909c515f70a84f52 (diff) | |
| parent | 75dd7f0c4a2b3fb9e9d4d5a0517591810c57ed92 (diff) | |
| download | external_llvm-31675153bd2d7617db8cb6aeb58054934c7b9f73.zip external_llvm-31675153bd2d7617db8cb6aeb58054934c7b9f73.tar.gz external_llvm-31675153bd2d7617db8cb6aeb58054934c7b9f73.tar.bz2 | |
Merge branch 'upstream' into merge_2
Conflicts:
lib/Target/ARM/ARMCodeEmitter.cpp
Change-Id: I6702d340c733e9721499b5d85b13b96ad9c14eb5
Diffstat (limited to 'test/Transforms/DeadStoreElimination/simple.ll')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/simple.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/simple.ll b/test/Transforms/DeadStoreElimination/simple.ll index a386206..7a8cdd5 100644 --- a/test/Transforms/DeadStoreElimination/simple.ll +++ b/test/Transforms/DeadStoreElimination/simple.ll @@ -276,3 +276,37 @@ define void @test22(i1 %i, i32 %k, i32 %m) nounwind { ; CHECK-NEXT: ret void ret void } + +; PR13547 +; CHECK: @test23 +; CHECK: store i8 97 +; CHECK: store i8 0 +declare noalias i8* @strdup(i8* nocapture) nounwind +define noalias i8* @test23() nounwind uwtable ssp { + %x = alloca [2 x i8], align 1 + %arrayidx = getelementptr inbounds [2 x i8]* %x, i64 0, i64 0 + store i8 97, i8* %arrayidx, align 1 + %arrayidx1 = getelementptr inbounds [2 x i8]* %x, i64 0, i64 1 + store i8 0, i8* %arrayidx1, align 1 + %call = call i8* @strdup(i8* %arrayidx) nounwind + ret i8* %call +} + +; Make sure same sized store to later element is deleted +; CHECK: @test24 +; CHECK-NOT: store i32 0 +; CHECK-NOT: store i32 0 +; CHECK: store i32 %b +; CHECK: store i32 %c +; CHECK: ret void +define void @test24([2 x i32]* %a, i32 %b, i32 %c) nounwind { + %1 = getelementptr inbounds [2 x i32]* %a, i64 0, i64 0 + store i32 0, i32* %1, align 4 + %2 = getelementptr inbounds [2 x i32]* %a, i64 0, i64 1 + store i32 0, i32* %2, align 4 + %3 = getelementptr inbounds [2 x i32]* %a, i64 0, i64 0 + store i32 %b, i32* %3, align 4 + %4 = getelementptr inbounds [2 x i32]* %a, i64 0, i64 1 + store i32 %c, i32* %4, align 4 + ret void +} |