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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
# RUN: llc -mtriple=i386-linux-gnu -mattr=+popcnt -run-pass=legalizer %s -o - | FileCheck %s
# test popcount for s8, s16, and s32
---
name: test_ctpop8
alignment: 16
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
body: |
bb.1:
; CHECK-LABEL: name: test_ctpop8
; CHECK: [[DEF:%[0-9]+]]:_(s8) = IMPLICIT_DEF
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[DEF]](s8)
; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[ZEXT]](s16)
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[CTPOP]](s16)
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY [[TRUNC]](s8)
; CHECK-NEXT: RET 0, implicit [[COPY]](s8)
%0:_(s8) = IMPLICIT_DEF
%1:_(s8) = G_CTPOP %0
%2:_(s8) = COPY %1(s8)
RET 0, implicit %2
...
---
name: test_ctpop32
alignment: 16
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
body: |
bb.1:
; CHECK-LABEL: name: test_ctpop32
; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s32) = G_CTPOP [[DEF]](s32)
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[CTPOP]](s32)
; CHECK-NEXT: RET 0, implicit [[COPY]](s32)
%0:_(s32) = IMPLICIT_DEF
%1:_(s32) = G_CTPOP %0
%2:_(s32) = COPY %1(s32)
RET 0, implicit %2
...
---
name: test_ctpop16
alignment: 16
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
body: |
bb.1:
; CHECK-LABEL: name: test_ctpop16
; CHECK: [[DEF:%[0-9]+]]:_(s16) = IMPLICIT_DEF
; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[DEF]](s16)
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[CTPOP]](s16)
; CHECK-NEXT: RET 0, implicit [[COPY]](s16)
%0:_(s16) = IMPLICIT_DEF
%1:_(s16) = G_CTPOP %0
%2:_(s16) = COPY %1(s16)
RET 0, implicit %2
...
|
