mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-25 21:46:50 +00:00
186f8d90df
This patch migrates the strchr and strrchr optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165875 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
608 B
LLVM
22 lines
608 B
LLVM
; Test that the strchr libcall simplifier works correctly.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
|
|
|
@hello = constant [14 x i8] c"hello world\5Cn\00"
|
|
@chr = global i8 zeroinitializer
|
|
|
|
declare i8 @strchr(i8*, i32)
|
|
|
|
define void @test_nosimplify1() {
|
|
; CHECK: test_nosimplify1
|
|
; CHECK: call i8 @strchr
|
|
; CHECK: ret void
|
|
|
|
%str = getelementptr [14 x i8]* @hello, i32 0, i32 0
|
|
%dst = call i8 @strchr(i8* %str, i32 119)
|
|
store i8 %dst, i8* @chr
|
|
ret void
|
|
}
|