File: si-fold-reg-sequence.mir

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 (18 lines) | stat: -rw-r--r-- 591 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=si-fold-operands -verify-machineinstrs -o - %s

---
name:            fold_reg_sequence
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    %0:sreg_32 = S_MOV_B32 0
    %1:sreg_32 = S_MOV_B32 429
    %2:sreg_64 = REG_SEQUENCE killed %1, %subreg.sub0, %0, %subreg.sub1
    %3:vgpr_32 = V_MUL_HI_U32_e64 $vgpr2, %2.sub0, implicit $exec
    %4:vgpr_32 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec :: (load (s32), addrspace 1)
    %5:vgpr_32 = V_MUL_HI_U32_e64 %4, %2.sub0, implicit $exec
    S_ENDPGM 0

...