legalize-fneg.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -run-pass=legalizer %s -o - | FileCheck %s
--- |
target triple = "x86_64--"
define void @test_fneg_f32() {
entry:
ret void
}
define void @test_fneg_f64() {
entry:
ret void
}
...
---
name: test_fneg_f32
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
body: |
bb.1:
liveins:
; CHECK-LABEL: name: test_fneg_f32
; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -2147483648
; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[DEF]], [[C]]
; CHECK: $edi = COPY [[XOR]](s32)
%0(s32) = IMPLICIT_DEF
%1(s32) = G_FNEG %0
$edi = COPY %1
...
---
name: test_fneg_f64
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
body: |
bb.1:
liveins:
; CHECK-LABEL: name: test_fneg_f64
; CHECK: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -9223372036854775808
; CHECK: [[XOR:%[0-9]+]]:_(s64) = G_XOR [[DEF]], [[C]]
; CHECK: $rdi = COPY [[XOR]](s64)
%0(s64) = G_IMPLICIT_DEF
%1(s64) = G_FNEG %0
$rdi = COPY %1
...