File: pr45964-decomp-transform.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (27 lines) | stat: -rw-r--r-- 1,136 bytes parent folder | download | duplicates (11)
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
// RUN: %clang_cc1 -std=c++17 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s

int a[1];
// CHECK: @a = global [1 x i32] zeroinitializer
template <int>
void test_transform() {
  auto [b] = a;
}
void (*d)(){test_transform<0>};
// CHECK-LABEL: define {{.*}} @_Z14test_transformILi0EEvv
// CHECK:       [[ENTRY:.*]]:
// CHECK-NEXT:  [[ARR:%.*]] = alloca [1 x i32]
// CHECK-NEXT:  [[BEGIN:%.*]] = getelementptr inbounds [1 x i32], ptr [[ARR]], i64 0, i64 0
// CHECK-NEXT:  br label %[[BODY:.*]]
// CHECK-EMPTY:
// CHECK-NEXT:  [[BODY]]:
// CHECK-NEXT:  [[CUR:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[NEXT:%.*]], %[[BODY]] ]
// CHECK-NEXT:  [[DEST:%.*]] = getelementptr inbounds i32, ptr [[BEGIN]], i64 [[CUR]]
// CHECK-NEXT:  [[SRC:%.*]] = getelementptr inbounds [1 x i32], ptr @a, i64 0, i64 [[CUR]]
// CHECK-NEXT:  [[X:%.*]] = load i32, ptr [[SRC]]
// CHECK-NEXT:  store i32 [[X]], ptr [[DEST]]
// CHECK-NEXT:  [[NEXT]] = add nuw i64 [[CUR]], 1
// CHECK-NEXT:  [[EQ:%.*]] = icmp eq i64 [[NEXT]], 1
// CHECK-NEXT:  br i1 [[EQ]], label %[[FIN:.*]], label %[[BODY]]
// CHECK-EMPTY:
// CHECK-NEXT:  [[FIN]]:
// CHECK-NEXT:  ret void