| ; Test that the strpbrk library call 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 [12 x i8] c"hello world\00" |
| @w = constant [2 x i8] c"w\00" |
| |
| declare i16* @strpbrk(i8*, i8*) |
| |
| ; Check that 'strpbrk' functions with the wrong prototype aren't simplified. |
| |
| define i16* @test_no_simplify1() { |
| ; CHECK-LABEL: @test_no_simplify1( |
| %str = getelementptr [12 x i8], [12 x i8]* @hello, i32 0, i32 0 |
| %pat = getelementptr [2 x i8], [2 x i8]* @w, i32 0, i32 0 |
| |
| %ret = call i16* @strpbrk(i8* %str, i8* %pat) |
| ; CHECK-NEXT: %ret = call i16* @strpbrk |
| ret i16* %ret |
| ; CHECK-NEXT: ret i16* %ret |
| } |
