| # RUN: llc -mtriple amdgcn-amd-amdhsa -run-pass=liveintervals,pipeliner -verify-machineinstrs -o - %s | FileCheck %s |
| # REQUIRES: amdgpu-registered-target |
| |
| # This test checks that the verifier doesn't crash on early clobbered subreg arguments. |
| |
| --- |
| name: sub0 |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| |
| ; CHECK-NOT: *** Bad machine code: Inconsistent valno->def *** |
| INLINEASM &"", 0 /* attdialect */, 1835019 /* regdef-ec:VGPR_32 */, def undef early-clobber %0.sub0:vreg_64, 1835018 /* regdef:VGPR_32 */, def undef %0.sub1:vreg_64 |
| FLAT_STORE_DWORDX2 $vgpr0_vgpr1, %0, 0, 0, implicit $exec, implicit $flat_scr :: (store (s64)) |
| S_ENDPGM 0 |
| |
| ... |
| --- |
| name: sub1 |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| |
| ; CHECK-NOT: *** Bad machine code: Inconsistent valno->def *** |
| INLINEASM &"", 0 /* attdialect */, 1835018 /* regdef:VGPR_32 */, def undef %0.sub0:vreg_64, 1835019 /* regdef-ec:VGPR_32 */, def undef early-clobber %0.sub1:vreg_64 |
| FLAT_STORE_DWORDX2 $vgpr0_vgpr1, %0, 0, 0, implicit $exec, implicit $flat_scr :: (store (s64)) |
| S_ENDPGM 0 |
| |
| ... |