File: else.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (60 lines) | stat: -rw-r--r-- 1,956 bytes parent folder | download | duplicates (2)
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s

; CHECK-LABEL: {{^}}else_no_execfix:
; CHECK: ; %Flow
; CHECK-NEXT: s_andn2_saveexec_b64 [[DST:s\[[0-9]+:[0-9]+\]]], [[DST]]
define amdgpu_ps float @else_no_execfix(i32 %z, float %v) #0 {
main_body:
  %cc = icmp sgt i32 %z, 5
  br i1 %cc, label %if, label %else

if:
  %v.if = fmul float %v, 2.0
  br label %end

else:
  %v.else = fmul float %v, 3.0
  br label %end

end:
  %r = phi float [ %v.if, %if ], [ %v.else, %else ]
  ret float %r
}

; CHECK-LABEL: {{^}}else_execfix_leave_wqm:
; CHECK: ; %bb.0:
; CHECK-NEXT: s_mov_b64 [[INIT_EXEC:s\[[0-9]+:[0-9]+\]]], exec
; CHECK: ; %Flow
; CHECK-NEXT: s_or_saveexec_b64 [[DST:s\[[0-9]+:[0-9]+\]]],
; CHECK-NEXT: s_and_b64 exec, exec, [[INIT_EXEC]]
; CHECK-NEXT: s_and_b64 [[AND_INIT:s\[[0-9]+:[0-9]+\]]], exec, [[DST]]
; CHECK-NEXT: s_xor_b64 exec, exec, [[AND_INIT]]
; CHECK-NEXT: s_cbranch_execz
define amdgpu_ps void @else_execfix_leave_wqm(i32 %z, float %v) #0 {
main_body:
  %cc = icmp sgt i32 %z, 5
  br i1 %cc, label %if, label %else

if:
  %v.if = fmul float %v, 2.0
  br label %end

else:
  %c = fmul float %v, 3.0
  %tex = call <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 15, float %c, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
  %v.else = extractelement <4 x float> %tex, i32 0
  br label %end

end:
  %r = phi float [ %v.if, %if ], [ %v.else, %else ]
  call void @llvm.amdgcn.raw.ptr.buffer.store.f32(float %r, ptr addrspace(8) undef, i32 0, i32 0, i32 0)
  ret void
}

declare void @llvm.amdgcn.raw.ptr.buffer.store.f32(float, ptr addrspace(8), i32, i32, i32 immarg) #1
declare <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 immarg, float, <8 x i32>, <4 x i32>, i1 immarg, i32 immarg, i32 immarg) #2

attributes #0 = { nounwind }
attributes #1 = { nounwind writeonly }
attributes #2 = { nounwind readonly }