[llvm] [LV][NFC] Follow-up fix for #173262 (PR #175513)
Mel Chen via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 12 02:29:49 PST 2026
https://github.com/Mel-Chen created https://github.com/llvm/llvm-project/pull/175513
None
>From 2683fd70671fb132ffa26e06964b55042c2f0fce Mon Sep 17 00:00:00 2001
From: Mel Chen <mel.chen at sifive.com>
Date: Mon, 12 Jan 2026 02:22:24 -0800
Subject: [PATCH] Fix post-comments for #173262. nfc
---
.../RISCV/tail-folding-complex-mask.ll | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-complex-mask.ll b/llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-complex-mask.ll
index c0bae63db023a..2ef5f55126c95 100644
--- a/llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-complex-mask.ll
+++ b/llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-complex-mask.ll
@@ -1,6 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6
; RUN: opt -passes=loop-vectorize \
-; RUN: -prefer-predicate-over-epilogue=predicate-else-scalar-epilogue \
; RUN: -mtriple=riscv64 -mattr=+v -S < %s | FileCheck %s --check-prefix=IF-EVL
; RUN: opt -passes=loop-vectorize \
@@ -15,11 +14,11 @@ define void @test(i64 %n, ptr noalias %src0, ptr noalias %src1, ptr noalias %src
; IF-EVL: [[VECTOR_PH]]:
; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i1> poison, i1 [[C1]], i64 0
; IF-EVL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i1> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer
+; IF-EVL-NEXT: [[TMP2:%.*]] = xor <vscale x 4 x i1> [[BROADCAST_SPLAT]], splat (i1 true)
; IF-EVL-NEXT: [[TMP0:%.*]] = xor i1 [[C2]], true
; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 4 x i1> poison, i1 [[TMP0]], i64 0
; IF-EVL-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x i1> [[BROADCAST_SPLATINSERT1]], <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer
; IF-EVL-NEXT: [[TMP1:%.*]] = or <vscale x 4 x i1> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
-; IF-EVL-NEXT: [[TMP2:%.*]] = xor <vscale x 4 x i1> [[BROADCAST_SPLAT]], splat (i1 true)
; IF-EVL-NEXT: [[TMP3:%.*]] = select <vscale x 4 x i1> [[TMP2]], <vscale x 4 x i1> [[TMP1]], <vscale x 4 x i1> zeroinitializer
; IF-EVL-NEXT: [[TMP4:%.*]] = or <vscale x 4 x i1> [[BROADCAST_SPLAT]], [[TMP3]]
; IF-EVL-NEXT: [[TMP5:%.*]] = xor <vscale x 4 x i1> [[TMP1]], splat (i1 true)
@@ -79,11 +78,11 @@ define void @test(i64 %n, ptr noalias %src0, ptr noalias %src1, ptr noalias %src
; NO-VP-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i1> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer
; NO-VP-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 4 x i1> poison, i1 [[C1]], i64 0
; NO-VP-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x i1> [[BROADCAST_SPLATINSERT1]], <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer
+; NO-VP-NEXT: [[TMP6:%.*]] = xor <vscale x 4 x i1> [[BROADCAST_SPLAT2]], splat (i1 true)
; NO-VP-NEXT: [[TMP4:%.*]] = xor i1 [[C2]], true
; NO-VP-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <vscale x 4 x i1> poison, i1 [[TMP4]], i64 0
; NO-VP-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <vscale x 4 x i1> [[BROADCAST_SPLATINSERT3]], <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer
; NO-VP-NEXT: [[TMP5:%.*]] = or <vscale x 4 x i1> [[BROADCAST_SPLAT2]], [[BROADCAST_SPLAT4]]
-; NO-VP-NEXT: [[TMP6:%.*]] = xor <vscale x 4 x i1> [[BROADCAST_SPLAT2]], splat (i1 true)
; NO-VP-NEXT: [[TMP7:%.*]] = select <vscale x 4 x i1> [[TMP6]], <vscale x 4 x i1> [[TMP5]], <vscale x 4 x i1> zeroinitializer
; NO-VP-NEXT: [[TMP8:%.*]] = or <vscale x 4 x i1> [[BROADCAST_SPLAT2]], [[TMP7]]
; NO-VP-NEXT: [[TMP9:%.*]] = xor <vscale x 4 x i1> [[TMP5]], splat (i1 true)
@@ -117,10 +116,10 @@ define void @test(i64 %n, ptr noalias %src0, ptr noalias %src1, ptr noalias %src
; NO-VP-NEXT: br label %[[LOOP:.*]]
; NO-VP: [[LOOP]]:
; NO-VP-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LATCH:.*]] ]
-; NO-VP-NEXT: [[NOT_C2:%.*]] = xor i1 [[C2]], true
-; NO-VP-NEXT: [[COND1:%.*]] = or i1 [[C1]], [[NOT_C2]]
; NO-VP-NEXT: br i1 [[C1]], label %[[LOAD_V0:.*]], label %[[CHECK_COND1:.*]]
; NO-VP: [[CHECK_COND1]]:
+; NO-VP-NEXT: [[NOT_C2:%.*]] = xor i1 [[C2]], true
+; NO-VP-NEXT: [[COND1:%.*]] = or i1 [[C1]], [[NOT_C2]]
; NO-VP-NEXT: br i1 [[COND1]], label %[[LOAD_V1:.*]], label %[[LOAD_V2_CHECK:.*]]
; NO-VP: [[LOAD_V0]]:
; NO-VP-NEXT: [[GEP0:%.*]] = getelementptr inbounds i32, ptr [[SRC0]], i64 [[IV]]
@@ -155,11 +154,11 @@ entry:
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
- %not.c2 = xor i1 %c2, true
- %cond1 = or i1 %c1, %not.c2
br i1 %c1, label %load.v0, label %check.cond1
check.cond1:
+ %not.c2 = xor i1 %c2, true
+ %cond1 = or i1 %c1, %not.c2
br i1 %cond1, label %load.v1, label %load.v2.check
load.v0:
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