derek.holloway
7502bf64a4
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272 lines
11 KiB
YAML
272 lines
11 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc %s -o - -mtriple=riscv64 -mattr=+v -run-pass=riscv-vector-peephole -verify-machineinstrs | FileCheck %s
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---
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name: vle32
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: vle32
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVLE32_V_M1_MASK %passthru, $noreg, %mask, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */ :: (load unknown-size, align 1)
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%avl:gprnox0 = COPY $x8
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%passthru:vrnov0 = COPY $v8
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%x:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %x, %mask, %avl, 5 /* e32 */
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...
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---
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name: vle32_no_passthru
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: vle32_no_passthru
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %false:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVLE32_V_M1_MASK %false, $noreg, %mask, %avl /* vl */, 5 /* e32 */, 1 /* ta, mu */ :: (load unknown-size, align 1)
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%avl:gprnox0 = COPY $x8
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%false:vrnov0 = COPY $v8
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%x:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %false, %x, %mask, %avl, 5 /* e32 */
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...
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---
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name: vle32_move_past_passthru
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: vle32_move_past_passthru
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVLE32_V_M1_MASK %passthru, $noreg, %mask, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */ :: (load unknown-size, align 1)
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%avl:gprnox0 = COPY $x8
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%x:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
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%passthru:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %x, %mask, %avl, 5 /* e32 */
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...
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---
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name: vnclip_move_past_passthru
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: vnclip_move_past_passthru
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVNCLIPU_WV_MF2_MASK %passthru, $noreg, $noreg, %mask, 0 /* vxrm=rnu */, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */, implicit-def $vxsat
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%avl:gprnox0 = COPY $x8
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%x:vrnov0 = PseudoVNCLIPU_WV_MF2 $noreg, $noreg, $noreg, 0, -1, 5, 3, implicit-def $vxsat
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%passthru:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %x, %mask, %avl, 5 /* e32 */
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...
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---
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name: vnclip_cant_move_past_passthru
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: vnclip_cant_move_past_passthru
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %x:vrnov0 = PseudoVNCLIPU_WV_MF2 $noreg, $noreg, $noreg, 0 /* vxrm=rnu */, -1 /* vl=VLMAX */, 5 /* e32 */, 3 /* ta, ma */, implicit-def $vxsat
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; CHECK-NEXT: %vxsat:gpr = COPY $vxsat
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %x, %mask, %avl /* vl */, 5 /* e32 */
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%avl:gprnox0 = COPY $x8
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%x:vrnov0 = PseudoVNCLIPU_WV_MF2 $noreg, $noreg, $noreg, 0, -1, 5, 3, implicit-def $vxsat
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%vxsat:gpr = COPY $vxsat
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%passthru:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %x, %mask, %avl, 5 /* e32 */
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...
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---
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name: commute_vfmadd
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body: |
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bb.0:
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liveins: $x8, $v0, $v8, $v9, $v10
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; CHECK-LABEL: name: commute_vfmadd
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; CHECK: liveins: $x8, $v0, $v8, $v9, $v10
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %x:vr = COPY $v9
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; CHECK-NEXT: %y:vr = COPY $v10
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; CHECK-NEXT: %vmerge:vrnov0 = nofpexcept PseudoVFMACC_VV_M1_E32_MASK %passthru, %y, %x, %mask, 7 /* frm=dyn */, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */, implicit $frm
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%avl:gprnox0 = COPY $x8
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%mask:vmv0 = COPY $v0
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%passthru:vrnov0 = COPY $v8
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%x:vr = COPY $v9
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%y:vr = COPY $v10
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%vfmadd:vrnov0 = nofpexcept PseudoVFMADD_VV_M1_E32 %x, %y, %passthru, 7, -1, 5 /* e32 */, 3 /* ta, ma */, implicit $frm
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%vmerge:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %vfmadd, %mask, %avl, 5
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...
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---
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name: true_copy
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: true_copy
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %z:vrnov0 = PseudoVLE32_V_M1_MASK %passthru, $noreg, %mask, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */ :: (load unknown-size, align 1)
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%avl:gprnox0 = COPY $x8
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%passthru:vrnov0 = COPY $v8
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%x:vr = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
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%mask:vmv0 = COPY $v0
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%y:vrnov0 = COPY %x
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%z:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %y, %mask, %avl, 5 /* e32 */
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...
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---
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name: copy_is_killed
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body: |
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bb.0:
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liveins: $v0, $v8, $v9
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; CHECK-LABEL: name: copy_is_killed
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; CHECK: liveins: $v0, $v8, $v9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:vr = COPY $v8
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; CHECK-NEXT: %y:vr = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %add0:vr = PseudoVADD_VV_M1 $noreg, %x, %y, -1 /* vl=VLMAX */, 5 /* e32 */, 3 /* ta, ma */
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; CHECK-NEXT: %add1:vrnov0 = COPY %add:vrnov0
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; CHECK-NEXT: %merge:vrnov0 = PseudoVOR_VV_M1_MASK %add:vrnov0, %add1, %y, %mask, -1 /* vl=VLMAX */, 5 /* e32 */, 1 /* ta, mu */
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%x:vr = COPY $v8
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%y:vr = COPY $v9
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%mask:vmv0 = COPY $v0
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%add0:vr = PseudoVADD_VV_M1 $noreg, %x:vr, %y:vr, -1, 5, 3
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%add1:vrnov0 = COPY killed %add:vr
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%or:vrnov0 = PseudoVOR_VV_M1 $noreg, %add1:vrnov0, %y:vr, -1, 5, 3
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%merge:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %add1:vrnov0, killed %or:vrnov0, killed %mask:vmv0, -1, 5 /* e32 */
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...
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---
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name: copy_multiple_use
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body: |
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bb.0:
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liveins: $x8, $v0, $v8
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; CHECK-LABEL: name: copy_multiple_use
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; CHECK: liveins: $x8, $v0, $v8
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %x:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, %avl /* vl */, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size, align 1)
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; CHECK-NEXT: %copy:vrnov0 = COPY %x
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: PseudoVSE8_V_M1 %copy, $noreg, %avl /* vl */, 5 /* e32 */
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; CHECK-NEXT: %y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %copy, %mask, %avl /* vl */, 5 /* e32 */
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%avl:gprnox0 = COPY $x8
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%passthru:vrnov0 = COPY $v8
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%x:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
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%copy:vrnov0 = COPY %x
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%mask:vmv0 = COPY $v0
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PseudoVSE8_V_M1 %copy, $noreg, %avl, 5 /* e8 */
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%y:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %copy, %mask, %avl, 5 /* e32 */
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...
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---
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name: true_copy_elimination
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body: |
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; CHECK-LABEL: name: true_copy_elimination
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: PseudoBR %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: [[DEF:%[0-9]+]]:vmv0 = IMPLICIT_DEF
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; CHECK-NEXT: early-clobber %5:vrm8nov0 = PseudoVZEXT_VF8_M8_MASK $noreg, $noreg, [[DEF]], 16 /* vl */, 6 /* e64 */, 1 /* ta, mu */
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; CHECK-NEXT: [[COPY:%[0-9]+]]:vrm8 = COPY %5
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; CHECK-NEXT: PseudoRET
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bb.0:
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successors: %bb.1
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PseudoBR %bb.1
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bb.1:
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%102:vrm8 = PseudoVZEXT_VF8_M8 $noreg, $noreg, 16, 6 /* e64 */, 3 /* ta, ma */
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%123:vrm8nov0 = COPY %102
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%a123:vrm8 = COPY %123
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%b123:vrm8nov0 = COPY %a123
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%124:vmv0 = IMPLICIT_DEF
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%121:vrm8nov0 = PseudoVMERGE_VVM_M8 $noreg, $noreg, %b123, undef %124, 16, 6 /* e64 */
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%125:vrm8 = COPY %121
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PseudoRET
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...
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---
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name: increase_vl
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body: |
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bb.0:
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; CHECK-LABEL: name: increase_vl
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; CHECK: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %merge:vrnov0 = PseudoVADD_VV_M1_MASK %passthru, %x:vr, %y:vr, %mask, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%passthru:vrnov0 = COPY $v8
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%avl:gprnox0 = COPY $x8
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%mask:vmv0 = COPY $v0
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%add:vrnov0 = PseudoVADD_VV_M1 $noreg, %x:vr, %y:vr, 1, 5 /* e32 */, 0 /* tu, mu */
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%merge:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %add, %mask, %avl, 5 /* e32 */
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...
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---
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# Negative test: Shouldn't fold vmerge into the load because we may increase vl.
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name: increase_vl_load
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body: |
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bb.0:
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; CHECK-LABEL: name: increase_vl_load
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; CHECK: %passthru:vrnov0 = COPY $v8
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; CHECK-NEXT: %avl:gprnox0 = COPY $x8
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %load:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, 1 /* vl */, 5 /* e32 */, 0 /* tu, mu */ :: (load unknown-size, align 1)
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; CHECK-NEXT: %merge:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %load, %mask, %avl /* vl */, 5 /* e32 */
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%passthru:vrnov0 = COPY $v8
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%avl:gprnox0 = COPY $x8
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%mask:vmv0 = COPY $v0
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%load:vrnov0 = PseudoVLE32_V_M1 $noreg, $noreg, 1, 5 /* e32 */, 0 /* tu, mu */ :: (load unknown-size)
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%merge:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %load, %mask, %avl, 5 /* e32 */
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...
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---
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name: sink_past_false
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body: |
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bb.0:
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; CHECK-LABEL: name: sink_past_false
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; CHECK: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %y:vrnov0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1 /* vl=VLMAX */, 5 /* e32 */, 3 /* ta, ma */
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; CHECK-NEXT: %z:vrnov0 = PseudoVADD_VV_M1_MASK %y, $noreg, $noreg, %mask, -1 /* vl=VLMAX */, 5 /* e32 */, 1 /* ta, mu */
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%mask:vmv0 = COPY $v0
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%x:vrnov0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 5, 3
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%y:vrnov0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 5, 3
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%z:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %y:vrnov0, %x:vrnov0, %mask, -1, 5
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...
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---
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name: sink_past_avl
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body: |
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bb.0:
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; CHECK-LABEL: name: sink_past_avl
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; CHECK: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %avl:gprnox0 = ADDI $noreg, 1
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; CHECK-NEXT: %z:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, %avl /* vl */, 5 /* e32 */, 1 /* ta, mu */
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%mask:vmv0 = COPY $v0
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%x:vrnov0 = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 5, 3
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%avl:gprnox0 = ADDI $noreg, 1
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%z:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, $noreg, %x:vrnov0, %mask, %avl, 5
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...
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