[llvm] [SLP][NFC]Test cleanup, undef removal, NFC (PR #218664)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 25 05:01:31 PDT 2026
llvmorg-github-actions[bot] wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-transforms
Author: Alexey Bataev (alexey-bataev)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/218664.diff
1 Files Affected:
- (modified) llvm/test/Transforms/SLPVectorizer/X86/partail.ll (+37-38)
``````````diff
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
}
``````````
</details>
https://github.com/llvm/llvm-project/pull/218664
More information about the llvm-commits
mailing list