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
29
30
31
32
33
34
35
36
37
|
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// Check that the CHECK lines are generated before the definition and not the declaration
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu %s -emit-llvm -o - | FileCheck %s
int foo(int arg);
void empty_function(void);
// CHECK-LABEL: @main(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[RETVAL:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 0, i32* [[RETVAL]], align 4
// CHECK-NEXT: call void @empty_function()
// CHECK-NEXT: [[CALL:%.*]] = call i32 @foo(i32 noundef 1)
// CHECK-NEXT: ret i32 [[CALL]]
//
int main() {
empty_function();
return foo(1);
}
// CHECK-LABEL: @foo(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[ARG_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 [[ARG:%.*]], i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARG_ADDR]], align 4
// CHECK-NEXT: ret i32 [[TMP0]]
//
int foo(int arg) {
return arg;
}
// CHECK-LABEL: @empty_function(
// CHECK-NEXT: entry:
// CHECK-NEXT: ret void
//
void empty_function(void) {}
|
