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authorChris Lattner <sabre@nondot.org>2008-04-30 06:39:11 +0000
committerChris Lattner <sabre@nondot.org>2008-04-30 06:39:11 +0000
commit5af8a917216cf7102fc3da63ad886f99f3c1aab1 (patch)
tree1ec588602eb8f5258f7e97ecefb313cba474c0cd /test
parent4a749ae7d3a30004ca9e8acf3493107c6fde7ae8 (diff)
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move lowering of llvm.memset -> store from simplify libcalls
to instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50472 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/memset.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/memset.ll b/test/Transforms/InstCombine/memset.ll
new file mode 100644
index 0000000..27a5b60
--- /dev/null
+++ b/test/Transforms/InstCombine/memset.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {call.*llvm.memset}
+
+declare void @llvm.memset.i32(i8*, i8, i32, i32)
+
+define i32 @main() {
+ %target = alloca [1024 x i8] ; <[1024 x i8]*> [#uses=1]
+ %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=5]
+ call void @llvm.memset.i32( i8* %target_p, i8 1, i32 0, i32 1 )
+ call void @llvm.memset.i32( i8* %target_p, i8 1, i32 1, i32 1 )
+ call void @llvm.memset.i32( i8* %target_p, i8 1, i32 2, i32 2 )
+ call void @llvm.memset.i32( i8* %target_p, i8 1, i32 4, i32 4 )
+ call void @llvm.memset.i32( i8* %target_p, i8 1, i32 8, i32 8 )
+ ret i32 0
+}
+