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| author | Eric Christopher <echristo@apple.com> | 2011-03-15 00:25:41 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2011-03-15 00:25:41 +0000 |
| commit | 2139d3148f4004f7e57b2ea715a95b68cdcb091c (patch) | |
| tree | 63a0c1823b027540550e69cd90b756ae8a622889 /llvm/test/Transforms | |
| parent | fcaa2e1ba492845cbb613ff5d39f16b1e323e89b (diff) | |
| download | bcm5719-llvm-2139d3148f4004f7e57b2ea715a95b68cdcb091c.tar.gz bcm5719-llvm-2139d3148f4004f7e57b2ea715a95b68cdcb091c.zip | |
If we don't know how long a string is we can't fold an _chk version to the
normal version.
Fixes rdar://9123638
llvm-svn: 127636
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/strcpy_chk-64.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/strcpy_chk-64.ll b/llvm/test/Transforms/InstCombine/strcpy_chk-64.ll new file mode 100644 index 00000000000..036fcbe6de1 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/strcpy_chk-64.ll @@ -0,0 +1,18 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s +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-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0.0" + +define void @func(i8* %i) nounwind ssp { +; CHECK: @func +; CHECK: @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32) +entry: + %s = alloca [32 x i8], align 16 + %arraydecay = getelementptr inbounds [32 x i8]* %s, i32 0, i32 0 + %call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32) + call void @func2(i8* %arraydecay) + ret void +} + +declare i8* @__strcpy_chk(i8*, i8*, i64) nounwind + +declare void @func2(i8*) |
