File: readattrs.ll

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes=newgvn -S -o - < %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"
target triple = "x86_64-unknown-linux-gnu"

declare void @use(ptr readonly nocapture)

define i8 @test() {
; CHECK-LABEL: define i8 @test() {
; CHECK-NEXT:    [[A:%.*]] = alloca i8, align 1
; CHECK-NEXT:    store i8 1, ptr [[A]], align 1
; CHECK-NEXT:    call void @use(ptr [[A]])
; CHECK-NEXT:    ret i8 1
;
  %a = alloca i8
  store i8 1, ptr %a
  call void @use(ptr %a)
  %b = load i8, ptr %a
  ret i8 %b
}