File: pr3216.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5.2-3~bpo8%2B2
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 283,276 kB
  • sloc: cpp: 1,884,580; ansic: 310,787; objc: 86,612; python: 79,608; asm: 65,866; sh: 9,829; makefile: 6,068; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (18 lines) | stat: -rw-r--r-- 381 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc < %s -march=x86 | FileCheck %s 

@foo = global i8 127

define i32 @main() nounwind {
; CHECK-LABEL: main:
; CHECK-NOT: ret
; CHECK: sar{{.}} $5
; CHECK: ret

   %tmp = load i8* @foo
   %bf.lo = lshr i8 %tmp, 5
   %bf.lo.cleared = and i8 %bf.lo, 7
   %1 = shl i8 %bf.lo.cleared, 5
   %bf.val.sext = ashr i8 %1, 5
   %conv = sext i8 %bf.val.sext to i32
   ret i32 %conv
}