File: combine-and-sext-bool.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (27 lines) | stat: -rw-r--r-- 979 bytes parent folder | download | duplicates (6) 
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
 
; RUN: llc -mtriple=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}and_i1_sext_bool:
; GCN: v_cmp_{{gt|le}}_u32_e{{32|64}} [[CC:[^,]+]], v{{[0-9]+}}, v{{[0-9]+}}
; GCN: v_cndmask_b32_e{{32|64}} [[VAL:v[0-9]+]], 0, v{{[0-9]+}}, [[CC]]
; GCN: store_dword {{.*}}[[VAL]]
; GCN-NOT: v_cndmask_b32_e64 v{{[0-9]+}}, {{0|-1}}, {{0|-1}}
; GCN-NOT: v_and_b32_e32

define amdgpu_kernel void @and_i1_sext_bool(ptr addrspace(1) nocapture %arg) {
bb:
  %x = tail call i32 @llvm.amdgcn.workitem.id.x()
  %y = tail call i32 @llvm.amdgcn.workitem.id.y()
  %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %x
  %v = load i32, ptr addrspace(1) %gep, align 4
  %cmp = icmp ugt i32 %x, %y
  %ext = sext i1 %cmp to i32
  %and = and i32 %v, %ext
  store i32 %and, ptr addrspace(1) %gep, align 4
  ret void
}

declare i32 @llvm.amdgcn.workitem.id.x() #0

declare i32 @llvm.amdgcn.workitem.id.y() #0

attributes #0 = { nounwind readnone speculatable }