llvm-6502/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll
Meador Inge 69ea027e04 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
2012-11-27 05:57:54 +00:00

21 lines
692 B
LLVM

; 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*, ...)