File: zext-fold.ll

package info (click to toggle)
llvm-3.1 3.1-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 80,224 kB
  • sloc: cpp: 491,014; asm: 110,971; ansic: 14,579; sh: 13,120; python: 6,152; ml: 4,719; makefile: 1,830; pascal: 1,553; perl: 874; xml: 283; lisp: 187; csh: 117; exp: 4
file content (12 lines) | stat: -rw-r--r-- 406 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
; RUN: opt < %s -instcombine -S | grep {zext } | count 1
; PR1570

define i32 @test2(float %X, float %Y) {
entry:
        %tmp3 = fcmp uno float %X, %Y           ; <i1> [#uses=1]
        %tmp34 = zext i1 %tmp3 to i8            ; <i8> [#uses=1]
        %tmp = xor i8 %tmp34, 1         ; <i8> [#uses=1]
        %toBoolnot5 = zext i8 %tmp to i32               ; <i32> [#uses=1]
        ret i32 %toBoolnot5
}