File: strchr-2.ll

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llvm-toolchain-21 1%3A21.1.6-3
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; Test that the strchr libcall simplifier works correctly.
;
; RUN: opt < %s -passes=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(ptr, i32)

define void @test_nosimplify1() {
; CHECK: test_nosimplify1
; CHECK: call i8 @strchr
; CHECK: ret void

  %dst = call i8 @strchr(ptr @hello, i32 119)
  store i8 %dst, ptr @chr
  ret void
}