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| author | Hans Wennborg <hans@hanshq.net> | 2014-04-28 17:40:03 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2014-04-28 17:40:03 +0000 |
| commit | 6426666f6561785d7d5a6d1904f6df11df655082 (patch) | |
| tree | dbe4b3fc2bc6b2a653b439db4562440d00e35305 /test | |
| parent | ac22ae75e3d97ae34b1c2f2e0a28dd2168ed20fb (diff) | |
| download | llvm-6426666f6561785d7d5a6d1904f6df11df655082.tar.gz llvm-6426666f6561785d7d5a6d1904f6df11df655082.tar.bz2 llvm-6426666f6561785d7d5a6d1904f6df11df655082.tar.xz | |
InstCombine: don't drop 'inalloca' in PromoteCastOfAllocation (PR19569)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207426 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/alloca.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/alloca.ll b/test/Transforms/InstCombine/alloca.ll index ae1cfa1ed2..6d0c131c51 100644 --- a/test/Transforms/InstCombine/alloca.ll +++ b/test/Transforms/InstCombine/alloca.ll @@ -129,3 +129,24 @@ define void @test8() { call void (...)* @use(i32* %x) ret void } + +; PR19569 +%struct_type = type { i32, i32 } +declare void @test9_aux(<{ %struct_type }>* inalloca) +declare i8* @llvm.stacksave() +declare void @llvm.stackrestore(i8*) + +define void @test9(%struct_type* %a) { +; CHECK-LABEL: @test9( +entry: + %inalloca.save = call i8* @llvm.stacksave() + %argmem = alloca inalloca <{ %struct_type }> +; CHECK: alloca inalloca i64, align 8 + %0 = getelementptr inbounds <{ %struct_type }>* %argmem, i32 0, i32 0 + %1 = bitcast %struct_type* %0 to i8* + %2 = bitcast %struct_type* %a to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %2, i32 8, i32 4, i1 false) + call void @test9_aux(<{ %struct_type }>* inalloca %argmem) + call void @llvm.stackrestore(i8* %inalloca.save) + ret void +} |