File: discard-name-values.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 (29 lines) | stat: -rw-r--r-- 785 bytes parent folder | download | duplicates (24) 
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
 
// RUN: %clang_cc1 -emit-llvm  -triple=armv7-apple-darwin -std=c++11 %s -o - -O1 \
// RUN:    | FileCheck %s
// RUN: %clang_cc1 -emit-llvm -triple=armv7-apple-darwin -std=c++11 %s -o - -O1 \
// RUN:    -discard-value-names | FileCheck %s --check-prefix=DISCARDVALUE

extern "C" void branch();

bool test(bool pred) {
  // DISCARDVALUE: br i1 %0, label %2, label %3
  // CHECK: br i1 %pred, label %if.then, label %if.end

  if (pred) {
    // DISCARDVALUE: 2:
    // DISCARDVALUE-NEXT: call void @branch()
    // DISCARDVALUE-NEXT: br label %3

    // CHECK: if.then:
    // CHECK-NEXT: call void @branch()
    // CHECK-NEXT: br label %if.end
    branch();
  }

  // DISCARDVALUE: 3:
  // DISCARDVALUE-NEXT: ret i1 %0

  // CHECK: if.end:
  // CHECK-NEXT: ret i1 %pred
  return pred;
}