File: 2007-05-30-dagcombine-miscomp.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (14 lines) | stat: -rw-r--r-- 571 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "powerpc-apple-darwin8.8.0"

; RUN: llvm-as < %s | llc -march=ppc32 | grep {rlwinm r3, r3, 23, 30, 30}
; PR1473

define i8 @foo(i16 zeroext  %a) zeroext  {
        %tmp2 = lshr i16 %a, 10         ; <i16> [#uses=1]
        %tmp23 = trunc i16 %tmp2 to i8          ; <i8> [#uses=1]
        %tmp4 = shl i8 %tmp23, 1                ; <i8> [#uses=1]
        %tmp5 = and i8 %tmp4, 2         ; <i8> [#uses=1]
        ret i8 %tmp5
}