File: dominating-store-to-return.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (28 lines) | stat: -rw-r--r-- 1,368 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix=NO-LIFETIME
// RUN: %clang_cc1 -O1 -disable-llvm-optzns -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix=LIFETIME

// NO-LIFETIME-LABEL: @main(
// NO-LIFETIME-NEXT:  entry:
// NO-LIFETIME-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
// NO-LIFETIME-NEXT:    [[FOO:%.*]] = alloca i32, align 4
// NO-LIFETIME-NEXT:    [[FOO2:%.*]] = alloca i32, align 4
// NO-LIFETIME-NEXT:    store i32 0, ptr [[RETVAL]], align 4
// NO-LIFETIME-NEXT:    ret i32 0
//
// LIFETIME-LABEL: @main(
// LIFETIME-NEXT:  entry:
// LIFETIME-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
// LIFETIME-NEXT:    [[FOO:%.*]] = alloca i32, align 4
// LIFETIME-NEXT:    [[FOO2:%.*]] = alloca i32, align 4
// LIFETIME-NEXT:    store i32 0, ptr [[RETVAL]], align 4
// LIFETIME-NEXT:    call void @llvm.lifetime.start.p0(i64 4, ptr [[FOO]]) #[[ATTR2:[0-9]+]]
// LIFETIME-NEXT:    call void @llvm.lifetime.start.p0(i64 4, ptr [[FOO2]]) #[[ATTR2]]
// LIFETIME-NEXT:    call void @llvm.lifetime.end.p0(i64 4, ptr [[FOO2]]) #[[ATTR2]]
// LIFETIME-NEXT:    call void @llvm.lifetime.end.p0(i64 4, ptr [[FOO]]) #[[ATTR2]]
// LIFETIME-NEXT:    ret i32 0
//
int main() {
  unsigned foo, foo2;
  return 0;
}