File: 2006-10-17-brcc-miscompile.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (21 lines) | stat: -rw-r--r-- 643 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
 
; RUN: llc -verify-machineinstrs < %s

target datalayout = "E-p:32:32"
target triple = "powerpc-unknown-linux-gnu"

define void @foo(i32 %X) {
entry:
        %tmp1 = and i32 %X, 3           ; <i32> [#uses=1]
; CHECK:  xori 3, 3, 1
        %tmp2 = xor i32 %tmp1, 1                ; <i32> [#uses=1]
        %tmp = icmp eq i32 %tmp2, 0             ; <i1> [#uses=1]
        br i1 %tmp, label %UnifiedReturnBlock, label %cond_true
cond_true:              ; preds = %entry
        tail call i32 (...) @bar( )            ; <i32>:0 [#uses=0]
        ret void
UnifiedReturnBlock:             ; preds = %entry
        ret void
}

declare i32 @bar(...)