File: sse-commute.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (20 lines) | stat: -rw-r--r-- 716 bytes parent folder | download | duplicates (36)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s

; Commute the comparison to avoid a move.
; PR7500.

; CHECK-LABEL: a:
; CHECK-NOT: mov
; CHECK:     pcmpeqd
define <2 x double> @a(<2 x double>, <2 x double>) nounwind readnone {
entry:
  %tmp6 = bitcast <2 x double> %0 to <4 x i32>    ; <<4 x i32>> [#uses=2]
  %tmp4 = bitcast <2 x double> %1 to <4 x i32>    ; <<4 x i32>> [#uses=1]
  %cmp = icmp eq <4 x i32> %tmp6, %tmp4           ; <<4 x i1>> [#uses=1]
  %sext = sext <4 x i1> %cmp to <4 x i32>         ; <<4 x i32>> [#uses=1]
  %and = and <4 x i32> %tmp6, %sext               ; <<4 x i32>> [#uses=1]
  %tmp8 = bitcast <4 x i32> %and to <2 x double>  ; <<2 x double>> [#uses=1]
  ret <2 x double> %tmp8
}