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- ; Test that the strcspn library call simplifier works correctly.
- ;
- ; RUN: opt < %s -instcombine -S | FileCheck %s
- 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-S128"
- @null = constant [1 x i8] zeroinitializer
- declare double @strcspn(i8*, i8*)
- ; Check that strcspn functions with the wrong prototype aren't simplified.
- define double @test_no_simplify1(i8* %pat) {
- ; CHECK-LABEL: @test_no_simplify1(
- %str = getelementptr [1 x i8], [1 x i8]* @null, i32 0, i32 0
- %ret = call double @strcspn(i8* %str, i8* %pat)
- ; CHECK-NEXT: call double @strcspn
- ret double %ret
- ; CHECK-NEXT: ret double %ret
- }
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