legalize-fsub-scalar.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s
--- |
define float @test_fsub_float(float %arg1, float %arg2) {
%ret = fsub float %arg1, %arg2
ret float %ret
}
define double @test_fsub_double(double %arg1, double %arg2) {
%ret = fsub double %arg1, %arg2
ret double %ret
}
...
---
name: test_fsub_float
alignment: 16
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
bb.1 (%ir-block.0):
liveins: $xmm0, $xmm1
; CHECK-LABEL: name: test_fsub_float
; CHECK: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s128)
; CHECK: [[COPY1:%[0-9]+]]:_(s128) = COPY $xmm1
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
; CHECK: [[FSUB:%[0-9]+]]:_(s32) = G_FSUB [[TRUNC]], [[TRUNC1]]
; CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[FSUB]](s32)
; CHECK: $xmm0 = COPY [[ANYEXT]](s128)
; CHECK: RET 0, implicit $xmm0
%2:_(s128) = COPY $xmm0
%0:_(s32) = G_TRUNC %2(s128)
%3:_(s128) = COPY $xmm1
%1:_(s32) = G_TRUNC %3(s128)
%4:_(s32) = G_FSUB %0, %1
%5:_(s128) = G_ANYEXT %4(s32)
$xmm0 = COPY %5(s128)
RET 0, implicit $xmm0
...
---
name: test_fsub_double
alignment: 16
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
bb.1 (%ir-block.0):
liveins: $xmm0, $xmm1
; CHECK-LABEL: name: test_fsub_double
; CHECK: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
; CHECK: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
; CHECK: [[COPY1:%[0-9]+]]:_(s128) = COPY $xmm1
; CHECK: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[COPY1]](s128)
; CHECK: [[FSUB:%[0-9]+]]:_(s64) = G_FSUB [[TRUNC]], [[TRUNC1]]
; CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[FSUB]](s64)
; CHECK: $xmm0 = COPY [[ANYEXT]](s128)
; CHECK: RET 0, implicit $xmm0
%2:_(s128) = COPY $xmm0
%0:_(s64) = G_TRUNC %2(s128)
%3:_(s128) = COPY $xmm1
%1:_(s64) = G_TRUNC %3(s128)
%4:_(s64) = G_FSUB %0, %1
%5:_(s128) = G_ANYEXT %4(s64)
$xmm0 = COPY %5(s128)
RET 0, implicit $xmm0
...