File: 2009-07-20-DAGCombineBug.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (29 lines) | stat: -rw-r--r-- 793 bytes parent folder | download | duplicates (13) 
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: llc < %s -mtriple=i686--

@bsBuff = internal global i32 0		; <ptr> [#uses=1]
@llvm.used = appending global [1 x ptr] [ptr @bsGetUInt32], section "llvm.metadata"		; <ptr> [#uses=0]

define fastcc i32 @bsGetUInt32() nounwind ssp {
entry:
	%bsBuff.promoted44 = load i32, ptr @bsBuff		; <i32> [#uses=1]
	%0 = add i32 0, -8		; <i32> [#uses=1]
	%1 = lshr i32 %bsBuff.promoted44, %0		; <i32> [#uses=1]
	%2 = shl i32 %1, 8		; <i32> [#uses=1]
	br label %bb3.i17

bb3.i9:		; preds = %bb3.i17
	br i1 false, label %bb2.i16, label %bb1.i15

bb1.i15:		; preds = %bb3.i9
	unreachable

bb2.i16:		; preds = %bb3.i9
	br label %bb3.i17

bb3.i17:		; preds = %bb2.i16, %entry
	br i1 false, label %bb3.i9, label %bsR.exit18

bsR.exit18:		; preds = %bb3.i17
	%3 = or i32 0, %2		; <i32> [#uses=0]
	ret i32 0
}