File: fp-in-intregs.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (22 lines) | stat: -rw-r--r-- 689 bytes parent folder | download | duplicates (48)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc < %s -mtriple=i686-apple-macosx -mcpu=yonah | FileCheck %s
; CHECK-NOT:     {{((xor|and)ps|movd)}}

; These operations should be done in integer registers, eliminating constant
; pool loads, movd's etc.

define i32 @test1(float %x) nounwind  {
entry:
	%tmp2 = fsub float -0.000000e+00, %x		; <float> [#uses=1]
	%tmp210 = bitcast float %tmp2 to i32		; <i32> [#uses=1]
	ret i32 %tmp210
}

define i32 @test2(float %x) nounwind  {
entry:
	%tmp2 = tail call float @copysignf( float 1.000000e+00, float %x ) nounwind readnone 		; <float> [#uses=1]
	%tmp210 = bitcast float %tmp2 to i32		; <i32> [#uses=1]
	ret i32 %tmp210
}

declare float @copysignf(float, float) nounwind readnone