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Diffstat (limited to 'test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll')
| -rw-r--r-- | test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll b/test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll new file mode 100644 index 0000000..91d8ea9 --- /dev/null +++ b/test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll @@ -0,0 +1,23 @@ +; PR1226 +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | \ +; RUN: not grep {call void @llvm.memcpy.i32} +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep getelementptr +; END. + +target datalayout = "E-p:32:32" +target triple = "powerpc-apple-darwin8.8.0" + %struct.foo = type { i8, i8 } + + +define i32 @test1(%struct.foo* %P) { +entry: + %L = alloca %struct.foo, align 2 ; <%struct.foo*> [#uses=1] + %L2 = getelementptr %struct.foo* %L, i32 0, i32 0 ; <i8*> [#uses=2] + %tmp13 = getelementptr %struct.foo* %P, i32 0, i32 0 ; <i8*> [#uses=1] + call void @llvm.memcpy.i32( i8* %L2, i8* %tmp13, i32 2, i32 1 ) + %tmp5 = load i8* %L2 ; <i8> [#uses=1] + %tmp56 = sext i8 %tmp5 to i32 ; <i32> [#uses=1] + ret i32 %tmp56 +} + +declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) |