File: neg_cmp.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (22 lines) | stat: -rw-r--r-- 508 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc < %s -march=x86-64 | FileCheck %s

; rdar://11245199
; PR12545
define void @f(i32 %x, i32 %y) nounwind uwtable ssp {
entry:
; CHECK-LABEL: f:
; CHECK-NOT: neg
; CHECK: add
  %sub = sub i32 0, %y
  %cmp = icmp eq i32 %x, %sub
  br i1 %cmp, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  tail call void @g() nounwind
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  ret void
}

declare void @g()