[llvm] [SLP][NFC]Test cleanup, undef removal, NFC (PR #218664)

Alexey Bataev via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 25 05:00:52 PDT 2026


https://github.com/alexey-bataev created https://github.com/llvm/llvm-project/pull/218664

None

>From f669032f94b4694e6647e760a6e292b1874d26f2 Mon Sep 17 00:00:00 2001
From: Alexey Bataev <a.bataev at outlook.com>
Date: Tue, 25 Aug 2026 05:00:32 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
 =?UTF-8?q?l=20version?=
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Created using spr 1.3.7
---
 .../Transforms/SLPVectorizer/X86/partail.ll   | 75 +++++++++----------
 1 file changed, 37 insertions(+), 38 deletions(-)

diff --git a/llvm/test/Transforms/SLPVectorizer/X86/partail.ll b/llvm/test/Transforms/SLPVectorizer/X86/partail.ll
index 4cdf9670394f1..f37b5c75eadbd 100644
--- a/llvm/test/Transforms/SLPVectorizer/X86/partail.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/partail.ll
@@ -1,79 +1,78 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -passes=slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 < %s | FileCheck %s
 
-; Function Attrs: nounwind uwtable
-define void @get_block(i32 %y_pos, i1 %arg) local_unnamed_addr #0 {
+define void @get_block(i32 %y_pos, i1 %arg, ptr %p) {
 ; CHECK-LABEL: @get_block(
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    br label [[LAND_LHS_TRUE:%.*]]
 ; CHECK:       land.lhs.true:
-; CHECK-NEXT:    br i1 %arg, label [[IF_THEN:%.*]], label [[IF_END:%.*]]
+; CHECK-NEXT:    br i1 [[ARG:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
 ; CHECK:       if.then:
 ; CHECK-NEXT:    unreachable
 ; CHECK:       if.end:
-; CHECK-NEXT:    [[SUB14:%.*]] = sub nsw i32 [[Y_POS:%.*]], undef
+; CHECK-NEXT:    [[SUB14:%.*]] = sub nsw i32 [[Y_POS:%.*]], 16
 ; CHECK-NEXT:    [[SHR15:%.*]] = ashr i32 [[SUB14]], 2
 ; CHECK-NEXT:    [[CMP_I_I:%.*]] = icmp sgt i32 [[SHR15]], 0
 ; CHECK-NEXT:    [[COND_I_I:%.*]] = select i1 [[CMP_I_I]], i32 [[SHR15]], i32 0
-; CHECK-NEXT:    [[CMP_I4_I:%.*]] = icmp slt i32 [[COND_I_I]], undef
-; CHECK-NEXT:    [[COND_I5_I:%.*]] = select i1 [[CMP_I4_I]], i32 [[COND_I_I]], i32 undef
+; CHECK-NEXT:    [[CMP_I4_I:%.*]] = icmp slt i32 [[COND_I_I]], 16
+; CHECK-NEXT:    [[COND_I5_I:%.*]] = select i1 [[CMP_I4_I]], i32 [[COND_I_I]], i32 16
 ; CHECK-NEXT:    [[IDXPROM30:%.*]] = sext i32 [[COND_I5_I]] to i64
-; CHECK-NEXT:    [[ARRAYIDX31:%.*]] = getelementptr inbounds ptr, ptr undef, i64 [[IDXPROM30]]
+; CHECK-NEXT:    [[ARRAYIDX31:%.*]] = getelementptr inbounds ptr, ptr [[P:%.*]], i64 [[IDXPROM30]]
 ; CHECK-NEXT:    [[CMP_I_I_1:%.*]] = icmp sgt i32 [[SUB14]], -1
-; CHECK-NEXT:    [[COND_I_I_1:%.*]] = select i1 [[CMP_I_I_1]], i32 undef, i32 0
-; CHECK-NEXT:    [[CMP_I4_I_1:%.*]] = icmp slt i32 [[COND_I_I_1]], undef
-; CHECK-NEXT:    [[COND_I5_I_1:%.*]] = select i1 [[CMP_I4_I_1]], i32 [[COND_I_I_1]], i32 undef
+; CHECK-NEXT:    [[COND_I_I_1:%.*]] = select i1 [[CMP_I_I_1]], i32 16, i32 0
+; CHECK-NEXT:    [[CMP_I4_I_1:%.*]] = icmp slt i32 [[COND_I_I_1]], 16
+; CHECK-NEXT:    [[COND_I5_I_1:%.*]] = select i1 [[CMP_I4_I_1]], i32 [[COND_I_I_1]], i32 16
 ; CHECK-NEXT:    [[IDXPROM30_1:%.*]] = sext i32 [[COND_I5_I_1]] to i64
-; CHECK-NEXT:    [[ARRAYIDX31_1:%.*]] = getelementptr inbounds ptr, ptr undef, i64 [[IDXPROM30_1]]
+; CHECK-NEXT:    [[ARRAYIDX31_1:%.*]] = getelementptr inbounds ptr, ptr [[P]], i64 [[IDXPROM30_1]]
 ; CHECK-NEXT:    [[CMP_I_I_2:%.*]] = icmp sgt i32 [[SUB14]], -5
-; CHECK-NEXT:    [[COND_I_I_2:%.*]] = select i1 [[CMP_I_I_2]], i32 undef, i32 0
-; CHECK-NEXT:    [[CMP_I4_I_2:%.*]] = icmp slt i32 [[COND_I_I_2]], undef
-; CHECK-NEXT:    [[COND_I5_I_2:%.*]] = select i1 [[CMP_I4_I_2]], i32 [[COND_I_I_2]], i32 undef
+; CHECK-NEXT:    [[COND_I_I_2:%.*]] = select i1 [[CMP_I_I_2]], i32 16, i32 0
+; CHECK-NEXT:    [[CMP_I4_I_2:%.*]] = icmp slt i32 [[COND_I_I_2]], 16
+; CHECK-NEXT:    [[COND_I5_I_2:%.*]] = select i1 [[CMP_I4_I_2]], i32 [[COND_I_I_2]], i32 16
 ; CHECK-NEXT:    [[IDXPROM30_2:%.*]] = sext i32 [[COND_I5_I_2]] to i64
-; CHECK-NEXT:    [[ARRAYIDX31_2:%.*]] = getelementptr inbounds ptr, ptr undef, i64 [[IDXPROM30_2]]
+; CHECK-NEXT:    [[ARRAYIDX31_2:%.*]] = getelementptr inbounds ptr, ptr [[P]], i64 [[IDXPROM30_2]]
 ; CHECK-NEXT:    [[CMP_I_I_3:%.*]] = icmp sgt i32 [[SUB14]], -9
-; CHECK-NEXT:    [[COND_I_I_3:%.*]] = select i1 [[CMP_I_I_3]], i32 undef, i32 0
-; CHECK-NEXT:    [[CMP_I4_I_3:%.*]] = icmp slt i32 [[COND_I_I_3]], undef
-; CHECK-NEXT:    [[COND_I5_I_3:%.*]] = select i1 [[CMP_I4_I_3]], i32 [[COND_I_I_3]], i32 undef
+; CHECK-NEXT:    [[COND_I_I_3:%.*]] = select i1 [[CMP_I_I_3]], i32 16, i32 0
+; CHECK-NEXT:    [[CMP_I4_I_3:%.*]] = icmp slt i32 [[COND_I_I_3]], 16
+; CHECK-NEXT:    [[COND_I5_I_3:%.*]] = select i1 [[CMP_I4_I_3]], i32 [[COND_I_I_3]], i32 16
 ; CHECK-NEXT:    [[IDXPROM30_3:%.*]] = sext i32 [[COND_I5_I_3]] to i64
-; CHECK-NEXT:    [[ARRAYIDX31_3:%.*]] = getelementptr inbounds ptr, ptr undef, i64 [[IDXPROM30_3]]
+; CHECK-NEXT:    [[ARRAYIDX31_3:%.*]] = getelementptr inbounds ptr, ptr [[P]], i64 [[IDXPROM30_3]]
 ; CHECK-NEXT:    ret void
 ;
 entry:
   br label %land.lhs.true
 
-land.lhs.true:                                    ; preds = %entry
+land.lhs.true:
   br i1 %arg, label %if.then, label %if.end
 
-if.then:                                          ; preds = %land.lhs.true
+if.then:
   unreachable
 
-if.end:                                           ; preds = %land.lhs.true
-  %sub14 = sub nsw i32 %y_pos, undef
+if.end:
+  %sub14 = sub nsw i32 %y_pos, 16
   %shr15 = ashr i32 %sub14, 2
   %cmp.i.i = icmp sgt i32 %shr15, 0
   %cond.i.i = select i1 %cmp.i.i, i32 %shr15, i32 0
-  %cmp.i4.i = icmp slt i32 %cond.i.i, undef
-  %cond.i5.i = select i1 %cmp.i4.i, i32 %cond.i.i, i32 undef
+  %cmp.i4.i = icmp slt i32 %cond.i.i, 16
+  %cond.i5.i = select i1 %cmp.i4.i, i32 %cond.i.i, i32 16
   %idxprom30 = sext i32 %cond.i5.i to i64
-  %arrayidx31 = getelementptr inbounds ptr, ptr undef, i64 %idxprom30
+  %arrayidx31 = getelementptr inbounds ptr, ptr %p, i64 %idxprom30
   %cmp.i.i.1 = icmp sgt i32 %sub14, -1
-  %cond.i.i.1 = select i1 %cmp.i.i.1, i32 undef, i32 0
-  %cmp.i4.i.1 = icmp slt i32 %cond.i.i.1, undef
-  %cond.i5.i.1 = select i1 %cmp.i4.i.1, i32 %cond.i.i.1, i32 undef
+  %cond.i.i.1 = select i1 %cmp.i.i.1, i32 16, i32 0
+  %cmp.i4.i.1 = icmp slt i32 %cond.i.i.1, 16
+  %cond.i5.i.1 = select i1 %cmp.i4.i.1, i32 %cond.i.i.1, i32 16
   %idxprom30.1 = sext i32 %cond.i5.i.1 to i64
-  %arrayidx31.1 = getelementptr inbounds ptr, ptr undef, i64 %idxprom30.1
+  %arrayidx31.1 = getelementptr inbounds ptr, ptr %p, i64 %idxprom30.1
   %cmp.i.i.2 = icmp sgt i32 %sub14, -5
-  %cond.i.i.2 = select i1 %cmp.i.i.2, i32 undef, i32 0
-  %cmp.i4.i.2 = icmp slt i32 %cond.i.i.2, undef
-  %cond.i5.i.2 = select i1 %cmp.i4.i.2, i32 %cond.i.i.2, i32 undef
+  %cond.i.i.2 = select i1 %cmp.i.i.2, i32 16, i32 0
+  %cmp.i4.i.2 = icmp slt i32 %cond.i.i.2, 16
+  %cond.i5.i.2 = select i1 %cmp.i4.i.2, i32 %cond.i.i.2, i32 16
   %idxprom30.2 = sext i32 %cond.i5.i.2 to i64
-  %arrayidx31.2 = getelementptr inbounds ptr, ptr undef, i64 %idxprom30.2
+  %arrayidx31.2 = getelementptr inbounds ptr, ptr %p, i64 %idxprom30.2
   %cmp.i.i.3 = icmp sgt i32 %sub14, -9
-  %cond.i.i.3 = select i1 %cmp.i.i.3, i32 undef, i32 0
-  %cmp.i4.i.3 = icmp slt i32 %cond.i.i.3, undef
-  %cond.i5.i.3 = select i1 %cmp.i4.i.3, i32 %cond.i.i.3, i32 undef
+  %cond.i.i.3 = select i1 %cmp.i.i.3, i32 16, i32 0
+  %cmp.i4.i.3 = icmp slt i32 %cond.i.i.3, 16
+  %cond.i5.i.3 = select i1 %cmp.i4.i.3, i32 %cond.i.i.3, i32 16
   %idxprom30.3 = sext i32 %cond.i5.i.3 to i64
-  %arrayidx31.3 = getelementptr inbounds ptr, ptr undef, i64 %idxprom30.3
+  %arrayidx31.3 = getelementptr inbounds ptr, ptr %p, i64 %idxprom30.3
   ret void
 }



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