File: 2008-09-29-VolatileBug.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (15 lines) | stat: -rw-r--r-- 503 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: llc < %s -march=x86 | not grep movz
; PR2835

@g_407 = internal global i32 0		; <i32*> [#uses=1]
@llvm.used = appending global [1 x i8*] [ i8* bitcast (i32 ()* @main to i8*) ], section "llvm.metadata"		; <[1 x i8*]*> [#uses=0]

define i32 @main() nounwind {
entry:
	%0 = volatile load i32* @g_407, align 4		; <i32> [#uses=1]
	%1 = trunc i32 %0 to i8		; <i8> [#uses=1]
	%2 = tail call i32 @func_45(i8 zeroext %1) nounwind		; <i32> [#uses=0]
	ret i32 0
}

declare i32 @func_45(i8 zeroext) nounwind