From 7863a63bb95b96af8488792fd257049cbd06d6d8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 19 Mar 2007 00:11:30 +0000 Subject: [PATCH] new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35148 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../memset-aggregate-byte-leader.ll | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll 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 00000000000..9c27710d123 --- /dev/null +++ b/test/Transforms/ScalarRepl/memset-aggregate-byte-leader.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep 'call void @llvm.memcpy.i32' && +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep 'getelementptr' +target datalayout = "E-p:32:32" +target triple = "powerpc-apple-darwin8.8.0" + %struct.foo = type { i8, i8 } + +implementation ; Functions: + +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 ; [#uses=2] + %tmp13 = getelementptr %struct.foo* %P, i32 0, i32 0 ; [#uses=1] + call void @llvm.memcpy.i32( i8* %L2, i8* %tmp13, i32 2, i32 1 ) + %tmp5 = load i8* %L2 ; [#uses=1] + %tmp56 = sext i8 %tmp5 to i32 ; [#uses=1] + ret i32 %tmp56 +} + +declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)