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| author | Chris Lattner <sabre@nondot.org> | 2009-04-21 16:52:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-21 16:52:12 +0000 |
| commit | 33e24adc3bc3d046aa05cf903fb74da1610b57cb (patch) | |
| tree | 7b375fa501ff248ea85e602b861747348afb3151 /test/Transforms/ScalarRepl | |
| parent | 83985d706bd131bc30d0005f24ff82d888438256 (diff) | |
| download | llvm-33e24adc3bc3d046aa05cf903fb74da1610b57cb.tar.gz llvm-33e24adc3bc3d046aa05cf903fb74da1610b57cb.tar.bz2 llvm-33e24adc3bc3d046aa05cf903fb74da1610b57cb.tar.xz | |
fix a crash on a pointless but valid zero-length memset, rdar://6808691
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69680 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ScalarRepl')
| -rw-r--r-- | test/Transforms/ScalarRepl/2009-04-21-ZeroLengthMemSet.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/2009-04-21-ZeroLengthMemSet.ll b/test/Transforms/ScalarRepl/2009-04-21-ZeroLengthMemSet.ll new file mode 100644 index 0000000000..2342f05aac --- /dev/null +++ b/test/Transforms/ScalarRepl/2009-04-21-ZeroLengthMemSet.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis +; rdar://6808691 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "x86_64-apple-darwin9.0" + type <{ i32, i16, i8, i8, i64, i64, i16, [0 x i16] }> + +define i32 @foo() { +entry: + %.compoundliteral = alloca %0 + %tmp228 = getelementptr %0* %.compoundliteral, i32 0, i32 7 + %tmp229 = bitcast [0 x i16]* %tmp228 to i8* + call void @llvm.memset.i64(i8* %tmp229, i8 0, i64 0, i32 2) + unreachable +} + +declare void @llvm.memset.i64(i8* nocapture, i8, i64, i32) nounwind |