diff options
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 +} |