| ; Test that the strlen 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 [6 x i8] c"hello\00" |
| |
| declare i32 @strlen(i8*, i32) |
| |
| define i32 @test_no_simplify1() { |
| ; CHECK: @test_no_simplify1 |
| %hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0 |
| %hello_l = call i32 @strlen(i8* %hello_p, i32 187) |
| ; CHECK-NEXT: %hello_l = call i32 @strlen |
| ret i32 %hello_l |
| ; CHECK-NEXT: ret i32 %hello_l |
| } |
