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| author | Meador Inge <meadori@codesourcery.com> | 2012-11-27 05:57:54 +0000 |
|---|---|---|
| committer | Meador Inge <meadori@codesourcery.com> | 2012-11-27 05:57:54 +0000 |
| commit | 69ea027e045f359b48bd436d530fc443a7cbb5c9 (patch) | |
| tree | ee37a890e7fa5c16adb9d2aae0153961e7e69520 /test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll | |
| parent | df22702db0b74c14782e00e36e9e9c5df56182b6 (diff) | |
| download | llvm-69ea027e045f359b48bd436d530fc443a7cbb5c9.tar.gz llvm-69ea027e045f359b48bd436d530fc443a7cbb5c9.tar.bz2 llvm-69ea027e045f359b48bd436d530fc443a7cbb5c9.tar.xz | |
instcombine: Migrate sprintf optimizations
This patch migrates the sprintf optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168677 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll b/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll new file mode 100644 index 0000000000..b75fa5ad40 --- /dev/null +++ b/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll @@ -0,0 +1,20 @@ +; RUN: opt -instcombine %s -S -o - | FileCheck %s +; PR7265 + +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-unknown-linux-gnu" + +%union.anon = type { i32, [4 x i8] } + +@.str = private constant [3 x i8] c"%s\00" + +define void @CopyEventArg(%union.anon* %ev) nounwind { +entry: + %call = call i32 (i8*, i8*, ...)* @sprintf(i8* undef, i8* getelementptr inbounds ([3 x i8]* @.str, i64 0, i64 0), %union.anon* %ev) nounwind +; CHECK: bitcast %union.anon* %ev to i8* +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 + ret void +} + +declare i32 @sprintf(i8*, i8*, ...) + |