view llvm/test/Transforms/FunctionAttrs/read-write-scc.ll @ 252:1f2b6ac9f198 llvm-original

LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
; RUN: opt -S -passes=function-attrs < %s | FileCheck %s

@i = global i32 0

define void @foo() {
; CHECK: Function Attrs: nofree nosync nounwind
; CHECK-LABEL: define {{[^@]+}}@foo
; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    store i32 1, ptr @i, align 4
; CHECK-NEXT:    call void @bar()
; CHECK-NEXT:    ret void
;
  store i32 1, ptr @i
  call void @bar()
  ret void
}

define void @bar() {
; CHECK: Function Attrs: nofree nosync nounwind
; CHECK-LABEL: define {{[^@]+}}@bar
; CHECK-SAME: () #[[ATTR0]] {
; CHECK-NEXT:    [[I:%.*]] = load i32, ptr @i, align 4
; CHECK-NEXT:    call void @foo()
; CHECK-NEXT:    ret void
;
  %i = load i32, ptr @i
  call void @foo()
  ret void
}