File: discard-name-values.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (29 lines) | stat: -rw-r--r-- 785 bytes parent folder | download | duplicates (21) 
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;
}