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| author | Evan Cheng <evan.cheng@apple.com> | 2013-01-10 22:13:27 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2013-01-10 22:13:27 +0000 |
| commit | 4ff23d09fa49d4ad68b4613114a743771df21df3 (patch) | |
| tree | 7dd4328dd2a9b9a118b6c09d05a3c7cc98e86a71 /test/CodeGen/X86 | |
| parent | 81bfd711de84310232354dcc971b8ec45206716a (diff) | |
PR14896: Handle memcpy from constant string where the memcpy size is larger than the string size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172124 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/memcpy.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/memcpy.ll b/test/CodeGen/X86/memcpy.ll index 39c7fbafd4..2e02e45c8d 100644 --- a/test/CodeGen/X86/memcpy.ll +++ b/test/CodeGen/X86/memcpy.ll @@ -87,8 +87,21 @@ entry: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([30 x i8]* @.str, i64 0, i64 0), i64 16, i32 1, i1 false) ret void +; DARWIN: test5: ; DARWIN: movabsq $7016996765293437281 ; DARWIN: movabsq $7016996765293437184 } +; PR14896 +@.str2 = private unnamed_addr constant [2 x i8] c"x\00", align 1 + +define void @test6() nounwind uwtable { +entry: +; DARWIN: test6 +; DARWIN: movw $0, 8 +; DARWIN: movq $120, 0 + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* null, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0), i64 10, i32 1, i1 false) + ret void +} + |