llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usube.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck %s
---
name: test_usube_s32
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
; CHECK-LABEL: name: test_usube_s32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; CHECK: [[USUBE:%[0-9]+]]:_(s32), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY]], [[COPY1]], [[ICMP]]
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[USUBE1]](s1)
; CHECK: $vgpr0 = COPY [[USUBE]](s32)
; CHECK: $vgpr1 = COPY [[ZEXT]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = G_CONSTANT i32 0
%4:_(s1) = G_ICMP intpred(eq), %2, %3
%5:_(s32), %6:_(s1) = G_USUBE %0, %1, %4
%7:_(s32) = G_ZEXT %6
$vgpr0 = COPY %5
$vgpr1 = COPY %7
...
---
name: test_usube_s16
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
; CHECK-LABEL: name: test_usube_s16
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
; CHECK: [[USUBE:%[0-9]+]]:_(s16), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[TRUNC1]], [[USUBE]], [[ICMP]]
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[USUBE]](s16)
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[USUBE1]](s1)
; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
; CHECK: $vgpr1 = COPY [[ZEXT]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = G_CONSTANT i32 0
%4:_(s1) = G_ICMP intpred(eq), %2, %3
%5:_(s16) = G_TRUNC %0
%6:_(s16) = G_TRUNC %1
%7:_(s16), %8:_(s1) = G_USUBE %6, %7, %4
%9:_(s32) = G_ANYEXT %7
%10:_(s32) = G_ZEXT %8
$vgpr0 = COPY %9
$vgpr1 = COPY %10
...