File: 2009-07-20-DAGCombineBug.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (29 lines) | stat: -rw-r--r-- 827 bytes parent folder | download | duplicates (14) 
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		; <i32*> [#uses=1]
@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @bsGetUInt32 to i8*)], section "llvm.metadata"		; <[1 x i8*]*> [#uses=0]

define fastcc i32 @bsGetUInt32() nounwind ssp {
entry:
	%bsBuff.promoted44 = load i32, i32* @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
}