File: 2009-07-20-DAGCombineBug.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; 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
}