File: pseudo_cmov_lower1.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 (39 lines) | stat: -rw-r--r-- 1,288 bytes parent folder | download | duplicates (32)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
; RUN: llc < %s -mtriple=i386-linux-gnu -mattr=+sse2 -o - | FileCheck %s 
; RUN: llc < %s -mtriple=x86_64-linux-gnu -o - | FileCheck %s 

; This test checks that only a single jae gets generated in the final code
; for lowering the CMOV pseudos that get created for this IR.
; CHECK-LABEL: foo1:
; CHECK: jae
; CHECK-NOT: jae
define double @foo1(float %p1, double %p2, double %p3) nounwind {
entry:
  %c1 = fcmp oge float %p1, 0.000000e+00
  %d0 = fadd double %p2, 1.25e0
  %d1 = fadd double %p3, 1.25e0
  %d2 = select i1 %c1, double %d0, double %d1
  %d3 = select i1 %c1, double %d0, double %p2
  %d4 = select i1 %c1, double %p3, double %d1
  %d5 = fsub double %d2, %d3
  %d6 = fadd double %d5, %d4
  ret double %d6
}

; This test checks that only a single jae gets generated in the final code
; for lowering the CMOV pseudos that get created for this IR.
; CHECK-LABEL: foo2:
; CHECK: jae
; CHECK-NOT: jae
define float @foo2(float %p1, float %p2, float %p3) nounwind {
entry:
  %c1 = fcmp oge float %p1, 0.000000e+00
  %d0 = fadd float %p2, 1.25e0
  %d1 = fadd float %p3, 1.25e0
  %d2 = select i1 %c1, float %d0, float %d1
  %d3 = select i1 %c1, float %d1, float %p2
  %d4 = select i1 %c1, float %d0, float %p3
  %d5 = fsub float %d2, %d3
  %d6 = fadd float %d5, %d4
  ret float %d6
}