derek.holloway
7502bf64a4
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282 lines
12 KiB
YAML
282 lines
12 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
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# RUN: llc %s -o - -mtriple=riscv64 -mattr=+v -run-pass=riscv-vector-peephole \
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# RUN: -verify-machineinstrs | FileCheck %s
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---
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name: undef_passthru
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body: |
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bb.0:
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liveins: $x1, $v8, $v9
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; CHECK-LABEL: name: undef_passthru
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; CHECK: liveins: $x1, $v8, $v9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %false:vrnov0 = COPY $v8
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; CHECK-NEXT: %true:vrnov0 = COPY $v9
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; CHECK-NEXT: %avl:gprnox0 = COPY $x1
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; CHECK-NEXT: %mask:vmv0 = PseudoVMSET_M_B8 %avl /* vl */, 0 /* e8 */
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; CHECK-NEXT: $v0 = COPY %mask
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%false:vrnov0 = COPY $v8
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%true:vrnov0 = COPY $v9
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%avl:gprnox0 = COPY $x1
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%mask:vmv0 = PseudoVMSET_M_B8 %avl, 0
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$v0 = COPY %mask
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%x:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %false, %true, $v0, %avl, 5
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...
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---
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name: undef_false
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body: |
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bb.0:
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liveins: $x1, $v8, $v9
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; CHECK-LABEL: name: undef_false
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; CHECK: liveins: $x1, $v8, $v9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vr = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $noreg
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; CHECK-NEXT: %true:vrnov0 = COPY $v9
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; CHECK-NEXT: %avl:gprnox0 = COPY $x1
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; CHECK-NEXT: %mask:vmv0 = PseudoVMSET_M_B8 %avl /* vl */, 0 /* e8 */
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; CHECK-NEXT: $v0 = COPY %mask
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; CHECK-NEXT: %x:vr = PseudoVMV_V_V_M1 %pt, %true, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $noreg
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%true:vrnov0 = COPY $v9
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%avl:gprnox0 = COPY $x1
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%mask:vmv0 = PseudoVMSET_M_B8 %avl, 0
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$v0 = COPY %mask
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%x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, $v0, %avl, 5
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...
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---
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name: equal_passthru_false
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body: |
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bb.0:
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liveins: $x1, $v8, $v9
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; CHECK-LABEL: name: equal_passthru_false
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; CHECK: liveins: $x1, $v8, $v9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %false:vrnov0 = COPY $v8
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; CHECK-NEXT: %pt:vr = COPY $v8
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; CHECK-NEXT: %true:vrnov0 = COPY $v9
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; CHECK-NEXT: %avl:gprnox0 = COPY $x1
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; CHECK-NEXT: %mask:vmv0 = PseudoVMSET_M_B8 %avl /* vl */, 0 /* e8 */
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; CHECK-NEXT: %x:vr = PseudoVMV_V_V_M1 %pt, %true, %avl /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%false:vrnov0 = COPY $v8
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%pt:vrnov0 = COPY $v8
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%true:vrnov0 = COPY $v9
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%avl:gprnox0 = COPY $x1
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%mask:vmv0 = PseudoVMSET_M_B8 %avl, 0
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%x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, %avl, 5
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...
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---
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name: same_mask
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body: |
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bb.0:
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liveins: $v8, $v9, $v0
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; CHECK-LABEL: name: same_mask
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; CHECK: liveins: $v8, $v9, $v0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vr = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 8 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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; CHECK-NEXT: %x:vr = PseudoVMV_V_V_M1 %pt, %true, 4 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 8, 5 /* e32 */, 0 /* tu, mu */
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%x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 4, 5 /* e32 */
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...
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---
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# Shouldn't be converted because false operands are different
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name: same_mask_different_false
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body: |
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bb.0:
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liveins: $v8, $v9, $v0
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; CHECK-LABEL: name: same_mask_different_false
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; CHECK: liveins: $v8, $v9, $v0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vrnov0 = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %pt, $noreg, $noreg, %mask, 4 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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; CHECK-NEXT: %x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 8 /* vl */, 5 /* e32 */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %pt, $noreg, $noreg, %mask, 4, 5 /* e32 */, 0 /* tu, mu */
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%x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 8, 5 /* e32 */
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...
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---
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# Shouldn't be converted because EEWs are different
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name: same_mask_different_eew
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body: |
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bb.0:
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liveins: $v8, $v9, $v0
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; CHECK-LABEL: name: same_mask_different_eew
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; CHECK: liveins: $v8, $v9, $v0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vrnov0 = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 4 /* vl */, 4 /* e16 */, 0 /* tu, mu */
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; CHECK-NEXT: %x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 8 /* vl */, 5 /* e32 */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 4, 4 /* e16 */, 0 /* tu, mu */
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%x:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 8, 5 /* e32 */
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...
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---
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name: same_mask_undef_truepassthru
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body: |
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bb.0:
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liveins: $v8, $v0
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; CHECK-LABEL: name: same_mask_undef_truepassthru
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; CHECK: liveins: $v8, $v0
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; CHECK-NEXT: {{ $}}
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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: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 4 /* vl */, 5 /* e32 */, 1 /* ta, mu */
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%false:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, 4, 5 /* e32 */, 0 /* tu, mu */
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%x:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %false, %true, %mask, 4, 5 /* e32 */
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...
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---
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# Shouldn't be converted because true is in a different block
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name: same_mask_diff_blocks
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body: |
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; CHECK-LABEL: name: same_mask_diff_blocks
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $v8, $v0
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; CHECK-NEXT: {{ $}}
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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: %true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, 4 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: [[PseudoVMERGE_VVM_M1_:%[0-9]+]]:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %false, %true, %mask, 4 /* vl */, 5 /* e32 */
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bb.0:
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liveins: $v8, $v0
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%false:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, 4, 5 /* e32 */, 0 /* tu, mu */
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bb.1:
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%5:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %false, %true, %mask, 4, 5 /* e32 */
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...
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---
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# Shouldn't be converted because vmerge adds back in elements from false past avl that would be lost if we converted to vmv.v.v
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name: preserve_false
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body: |
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bb.0:
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liveins: $v8, $v9, $v0, $x8, $x9
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; CHECK-LABEL: name: preserve_false
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; CHECK: liveins: $v8, $v9, $v0, $x8, $x9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vrnov0 = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %avl1:gprnox0 = COPY $x8
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; CHECK-NEXT: %avl2:gprnox0 = COPY $x9
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, %avl1 /* vl */, 5 /* e32 */, 3 /* ta, ma */
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; CHECK-NEXT: [[PseudoVMERGE_VVM_M1_:%[0-9]+]]:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, %avl2 /* vl */, 5 /* e32 */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%avl1:gprnox0 = COPY $x8
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%avl2:gprnox0 = COPY $x9
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%true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, %avl1, 5 /* e32 */, 3 /* ta, ma */
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%5:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, %avl2, 5 /* e32 */
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...
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---
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# But we can convert this one because vmerge's avl being <= true's means we don't lose any false elements past avl.
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name: preserve_false_avl_known_le
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body: |
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bb.0:
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liveins: $v8, $v9, $v0
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; CHECK-LABEL: name: preserve_false_avl_known_le
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; CHECK: liveins: $v8, $v9, $v0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vr = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, 2 /* vl */, 5 /* e32 */, 1 /* ta, mu */
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; CHECK-NEXT: [[PseudoVMV_V_V_M1_:%[0-9]+]]:vr = PseudoVMV_V_V_M1 %pt, %true, 1 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%true:vrnov0 = PseudoVADD_VV_M1_MASK $noreg, $noreg, $noreg, %mask, 2, 5 /* e32 */, 3 /* ta, ma */
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%5:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, 1, 5 /* e32 */
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...
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---
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# Can convert because False == Passthru and True's tail policy is TU,
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# so True's tail lanes preserve passthru (= False = Passthru).
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name: same_mask_false_eq_passthru_true_tu
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body: |
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bb.0:
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liveins: $v8, $v0, $x8, $x9
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; CHECK-LABEL: name: same_mask_false_eq_passthru_true_tu
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; CHECK: liveins: $v8, $v0, $x8, $x9
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; CHECK-NEXT: {{ $}}
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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: %avl1:gprnox0 = COPY $x8
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; CHECK-NEXT: %avl2:gprnox0 = COPY $x9
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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; CHECK-NEXT: [[PseudoVMV_V_V_M1_:%[0-9]+]]:vr = PseudoVMV_V_V_M1 %false, %true, %avl2 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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%false:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%avl1:gprnox0 = COPY $x8
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%avl2:gprnox0 = COPY $x9
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1, 5 /* e32 */, 0 /* tu, mu */
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%5:vrnov0 = PseudoVMERGE_VVM_M1 %false, %false, %true, %mask, %avl2, 5 /* e32 */
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...
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---
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# Shouldn't be converted because True's tail policy is TA, so tail lanes
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# past TrueVL could be agnostic, even though False == Passthru.
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name: same_mask_false_eq_passthru_true_ta
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body: |
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bb.0:
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liveins: $v8, $v0, $x8, $x9
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; CHECK-LABEL: name: same_mask_false_eq_passthru_true_ta
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; CHECK: liveins: $v8, $v0, $x8, $x9
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; CHECK-NEXT: {{ $}}
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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: %avl1:gprnox0 = COPY $x8
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; CHECK-NEXT: %avl2:gprnox0 = COPY $x9
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1 /* vl */, 5 /* e32 */, 1 /* ta, mu */
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; CHECK-NEXT: [[PseudoVMERGE_VVM_M1_:%[0-9]+]]:vrnov0 = PseudoVMERGE_VVM_M1 %false, %false, %true, %mask, %avl2 /* vl */, 5 /* e32 */
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%false:vrnov0 = COPY $v8
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%mask:vmv0 = COPY $v0
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%avl1:gprnox0 = COPY $x8
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%avl2:gprnox0 = COPY $x9
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1, 5 /* e32 */, 1 /* ta, mu */
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%5:vrnov0 = PseudoVMERGE_VVM_M1 %false, %false, %true, %mask, %avl2, 5 /* e32 */
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...
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---
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# Shouldn't be converted because False != Passthru, even though True's
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# tail policy is TU and MIVL could be > TrueVL.
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name: same_mask_false_ne_passthru_true_tu
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body: |
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bb.0:
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liveins: $v8, $v9, $v0, $x8, $x9
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; CHECK-LABEL: name: same_mask_false_ne_passthru_true_tu
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; CHECK: liveins: $v8, $v9, $v0, $x8, $x9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %pt:vrnov0 = COPY $v8
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; CHECK-NEXT: %false:vrnov0 = COPY $v9
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; CHECK-NEXT: %mask:vmv0 = COPY $v0
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; CHECK-NEXT: %avl1:gprnox0 = COPY $x8
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; CHECK-NEXT: %avl2:gprnox0 = COPY $x9
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; CHECK-NEXT: %true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1 /* vl */, 5 /* e32 */, 0 /* tu, mu */
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; CHECK-NEXT: [[PseudoVMERGE_VVM_M1_:%[0-9]+]]:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, %avl2 /* vl */, 5 /* e32 */
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%pt:vrnov0 = COPY $v8
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%false:vrnov0 = COPY $v9
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%mask:vmv0 = COPY $v0
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%avl1:gprnox0 = COPY $x8
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%avl2:gprnox0 = COPY $x9
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%true:vrnov0 = PseudoVADD_VV_M1_MASK %false, $noreg, $noreg, %mask, %avl1, 5 /* e32 */, 0 /* tu, mu */
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%5:vrnov0 = PseudoVMERGE_VVM_M1 %pt, %false, %true, %mask, %avl2, 5 /* e32 */
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...
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