File: strlen-2.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the strlen library call 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 [6 x i8] c"hello\00"

declare i32 @strlen(ptr, i32)

define i32 @test_no_simplify1() {
; CHECK-LABEL: @test_no_simplify1(
; CHECK-NEXT:    [[HELLO_L:%.*]] = call i32 @strlen(ptr nonnull @hello, i32 187)
; CHECK-NEXT:    ret i32 [[HELLO_L]]
;
  %hello_l = call i32 @strlen(ptr @hello, i32 187)
  ret i32 %hello_l
}