| ; 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 |
| } |
