22 lines
717 B
LLVM
22 lines
717 B
LLVM
|
; 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
|
||
|
|
}
|