[llvm] [RISCV] Add copies to physical registers in VL optimizer tests. NFC (PR #151170)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 29 08:19:13 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-risc-v
Author: Luke Lau (lukel97)
<details>
<summary>Changes</summary>
In an upcoming patch to support recurrences in the RISCVVLOptimizer, we need to perform an optimistic dataflow analysis where we assume instructions have a DemandedVL of zero until a user is encountered.
Because of this if there's no "root" instruction, nothing will be demanded and all the VLs will be set to zero.
This prepares for this by adding a copy to a physical register in the MIR tests so that the behaviour is preserved, and matches whats generated lowering from regular LLVM IR.
---
Patch is 100.14 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/151170.diff
2 Files Affected:
- (modified) llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.mir (+326-1)
- (modified) llvm/test/CodeGen/RISCV/rvv/vl-opt.mir (+81-1)
``````````diff
diff --git a/llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.mir b/llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.mir
index 52cd3e35e6eb8..bfa4067394aa7 100644
--- a/llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.mir
+++ b/llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.mir
@@ -8,8 +8,10 @@ body: |
; CHECK-LABEL: name: vop_vi
; CHECK: %x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vop_vi_incompatible_eew
@@ -18,8 +20,10 @@ body: |
; CHECK-LABEL: name: vop_vi_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vi_incompatible_emul
@@ -28,8 +32,10 @@ body: |
; CHECK-LABEL: name: vop_vi_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VI_M1 $noreg, $noreg, 9, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vop_vv
@@ -38,8 +44,10 @@ body: |
; CHECK-LABEL: name: vop_vv
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vop_vv_incompatible_eew
@@ -48,9 +56,10 @@ body: |
; CHECK-LABEL: name: vop_vv_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
-
+ $v8 = COPY %y
...
---
name: vop_vv_incompatible_emul
@@ -59,8 +68,10 @@ body: |
; CHECK-LABEL: name: vop_vv_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_vv_vd
@@ -69,8 +80,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vd
; CHECK: early-clobber %x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vwop_vv_vd_incompatible_eew
@@ -79,8 +92,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vd_incompatible_eew
; CHECK: early-clobber %x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_vv_vd_incompatible_emul
@@ -89,8 +104,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vd_incompatible_emul
; CHECK: early-clobber %x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 4 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_vv_vd_passthru_use
@@ -100,9 +117,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_VV_MF2 %x, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_VV_MF2 %x, $noreg, $noreg, 1, 3 /* e8 */, 0
%z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_vv_vd_passthru_use_incompatible_eew
@@ -112,9 +131,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_VV_MF2 %x, $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_VV_MF2 %x, $noreg, $noreg, 1, 4 /* e16 */, 0
%z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_vv_vd_passthru_use_incompatible_emul
@@ -124,9 +145,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_VV_MF4 %x, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_MF2 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_VV_MF4 %x, $noreg, $noreg, 1, 3 /* e8 */, 0
%z:vr = PseudoVADD_VV_MF2 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_vv_vs2
@@ -135,8 +158,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs2
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_vv_vs2_incompatible_eew
@@ -145,8 +170,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs2_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_vv_vs2_incompatible_emul
@@ -155,8 +182,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs2_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVWADD_VV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_vv_vs1
@@ -165,8 +194,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs1
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_vv_vs1_incompatible_eew
@@ -175,8 +206,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs1_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_VV_M1 $noreg, $noreg, %x, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_VV_M1 $noreg, $noreg, %x, 1, 4 /* e16 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_vv_vs1_incompatible_emul
@@ -185,8 +218,10 @@ body: |
; CHECK-LABEL: name: vwop_vv_vs1_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVWADD_VV_MF2 $noreg, $noreg, %x, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_wv_vd
@@ -195,8 +230,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vd
; CHECK: early-clobber %x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vwop_wv_vd_incompatible_eew
@@ -205,8 +242,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vd_incompatible_eew
; CHECK: early-clobber %x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_wv_vd_incompatible_emul
@@ -215,8 +254,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vd_incompatible_emul
; CHECK: early-clobber %x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVWADD_WV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVADD_VV_MF2 $noreg, %x, $noreg, 1, 4 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_wv_vd_passthru_use
@@ -226,9 +267,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_WV_MF2 %x, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_WV_MF2 %x, $noreg, $noreg, 1, 3 /* e8 */, 0
%z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_wv_vd_passthru_use_incompatible_eew
@@ -238,9 +281,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_WV_MF2 %x, $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_WV_MF2 %x, $noreg, $noreg, 1, 4 /* e16 */, 0
%z:vr = PseudoVADD_VV_M1 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_wv_vd_passthru_use_incompatible_emul
@@ -250,9 +295,11 @@ body: |
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_WV_MF4 %x, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: %z:vr = PseudoVADD_VV_MF2 $noreg, %y, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %z
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_WV_MF4 %x, $noreg, $noreg, 1, 3 /* e8 */, 0
%z:vr = PseudoVADD_VV_MF2 $noreg, %y, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %z
...
---
name: vwop_wv_vs2
@@ -261,8 +308,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs2
; CHECK: %x:vrm2 = PseudoVADD_VV_M2 $noreg, $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vrm2 = PseudoVADD_VV_M2 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vrm2 = PseudoVWADD_WV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_wv_vs2_incompatible_eew
@@ -271,8 +320,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs2_incompatible_eew
; CHECK: %x:vrm2 = PseudoVADD_VV_M2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vrm2 = PseudoVADD_VV_M2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_WV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_wv_vs2_incompatible_emul
@@ -281,8 +332,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs2_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVWADD_WV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVWADD_WV_MF2 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
+ $v8 = COPY %y
...
---
name: vwop_wv_vs1
@@ -291,8 +344,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs1
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_wv_vs1_incompatible_eew
@@ -301,8 +356,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs1_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vwop_wv_vs1_incompatible_emul
@@ -311,8 +368,10 @@ body: |
; CHECK-LABEL: name: vwop_wv_vs1_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_WV_M1 $noreg, $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: tied_vwop_wv_vs1
@@ -321,8 +380,10 @@ body: |
; CHECK-LABEL: name: tied_vwop_wv_vs1
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: tied_vwop_wv_vs1_incompatible_eew
@@ -331,8 +392,10 @@ body: |
; CHECK-LABEL: name: tied_vwop_wv_vs1_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: tied_vwop_wv_vs1_incompatible_emul
@@ -341,8 +404,10 @@ body: |
; CHECK-LABEL: name: tied_vwop_wv_vs1_incompatible_emul
; CHECK: %x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8m2 = COPY %y
%x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vrm2 = PseudoVWADD_WV_M1_TIED $noreg, %x, 1, 3 /* e8 */, 0
+ $v8m2 = COPY %y
...
---
name: vop_vf2_vd
@@ -351,8 +416,10 @@ body: |
; CHECK-LABEL: name: vop_vf2_vd
; CHECK: early-clobber %x:vr = PseudoVZEXT_VF2_M1 $noreg, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVZEXT_VF2_M1 $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vf2_vd_incompatible_eew
@@ -361,8 +428,10 @@ body: |
; CHECK-LABEL: name: vop_vf2_vd_incompatible_eew
; CHECK: early-clobber %x:vr = PseudoVZEXT_VF2_M1 $noreg, $noreg, -1, 5 /* e32 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVZEXT_VF2_M1 $noreg, $noreg, -1, 5 /* e32 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vf2_vd_incompatible_emul
@@ -371,8 +440,10 @@ body: |
; CHECK-LABEL: name: vop_vf2_vd_incompatible_emul
; CHECK: early-clobber %x:vr = PseudoVZEXT_VF2_MF2 $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVZEXT_VF2_MF2 $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vf2_vs2
@@ -381,8 +452,10 @@ body: |
; CHECK-LABEL: name: vop_vf2_vs2
; CHECK: %x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, 1, 3 /* e8 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVZEXT_VF2_M1 $noreg, %x, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
%y:vr = PseudoVZEXT_VF2_M1 $noreg, %x, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vf2_vs2_incompatible_eew
@@ -391,8 +464,10 @@ body: |
; CHECK-LABEL: name: vop_vf2_vs2_incompatible_eew
; CHECK: %x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0 /* tu, mu */
; CHECK-NEXT: early-clobber %y:vr = PseudoVZEXT_VF2_M1 $noreg, %x, 1, 4 /* e16 */, 0 /* tu, mu */
+ ; CHECK-NEXT: $v8 = COPY %y
%x:vr = PseudoVADD_VV_MF2 $noreg, $noreg, $noreg, -1, 4 /* e16 */, 0
%y:vr = PseudoVZEXT_VF2_M1 $noreg, %x, 1, 4 /* e16 */, 0
+ $v8 = COPY %y
...
---
name: vop_vf2_vs2_incompatible...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/151170
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