File: zext-fold.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (18 lines) | stat: -rw-r--r-- 504 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; NOTE: Assertions have been autogenerated by update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

; PR1570

define i32 @test2(float %X, float %Y) {
; CHECK-LABEL: @test2(
; CHECK-NEXT:    [[TMP3:%.*]] = fcmp ord float %X, %Y
; CHECK-NEXT:    [[TOBOOLNOT5:%.*]] = zext i1 [[TMP3]] to i32
; CHECK-NEXT:    ret i32 [[TOBOOLNOT5]]
;
  %tmp3 = fcmp uno float %X, %Y
  %tmp34 = zext i1 %tmp3 to i8
  %tmp = xor i8 %tmp34, 1
  %toBoolnot5 = zext i8 %tmp to i32
  ret i32 %toBoolnot5
}