[llvm] IndVarSimplify/test: replace undef with poison (PR #126069)
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Thu Feb 6 05:51:26 PST 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-transforms
Author: Ramkumar Ramachandra (artagnon)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/126069.diff
1 Files Affected:
- (modified) llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll (+7-7)
``````````diff
diff --git a/llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll b/llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll
index 37bc67c23adb756..02901b913bc0433 100644
--- a/llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll
+++ b/llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll
@@ -13,12 +13,12 @@ target triple = "x86_64-unknown-linux-gnu"
define dso_local void @hoge() local_unnamed_addr {
; CHECK-LABEL: @hoge(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[N:%.*]] = sdiv exact i64 undef, 40
-; CHECK-NEXT: [[TMP0:%.*]] = sub i64 undef, [[N]]
+; CHECK-NEXT: [[N:%.*]] = sdiv exact i64 poison, 40
+; CHECK-NEXT: [[TMP0:%.*]] = sub i64 poison, [[N]]
; CHECK-NEXT: br label [[HEADER:%.*]]
; CHECK: header:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LATCH:%.*]] ], [ [[TMP0]], [[ENTRY:%.*]] ]
-; CHECK-NEXT: [[IDX:%.*]] = phi i64 [ [[IDX_NEXT:%.*]], [[LATCH]] ], [ undef, [[ENTRY]] ]
+; CHECK-NEXT: [[IDX:%.*]] = phi i64 [ [[IDX_NEXT:%.*]], [[LATCH]] ], [ poison, [[ENTRY]] ]
; CHECK-NEXT: [[COND:%.*]] = icmp sgt i64 [[N]], [[IDX]]
; CHECK-NEXT: br i1 [[COND]], label [[END:%.*]], label [[INNER_PREHEADER:%.*]]
; CHECK: inner.preheader:
@@ -26,7 +26,7 @@ define dso_local void @hoge() local_unnamed_addr {
; CHECK: inner:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[INNER]] ], [ 0, [[INNER_PREHEADER]] ]
; CHECK-NEXT: [[I_NEXT]] = add nuw i64 [[I]], 1
-; CHECK-NEXT: store i64 undef, ptr @ptr, align 8
+; CHECK-NEXT: store i64 poison, ptr @ptr, align 8
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[I_NEXT]], [[INDVARS_IV]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[INNER]], label [[INNER_EXIT:%.*]]
; CHECK: inner_exit:
@@ -41,11 +41,11 @@ define dso_local void @hoge() local_unnamed_addr {
; CHECK-NEXT: ret void
;
entry: ; preds = %entry
- %n = sdiv exact i64 undef, 40
+ %n = sdiv exact i64 poison, 40
br label %header
header: ; preds = %latch, %entry
- %idx = phi i64 [ %idx.next, %latch ], [ undef, %entry ]
+ %idx = phi i64 [ %idx.next, %latch ], [ poison, %entry ]
%cond = icmp sgt i64 %n, %idx
br i1 %cond, label %end, label %inner
@@ -54,7 +54,7 @@ inner: ; preds = %inner, %header
%j = phi i64 [ %j.next, %inner ], [ %n, %header ]
%i.next = add nsw i64 %i, 1
%j.next = add nsw i64 %j, 1
- store i64 undef, ptr @ptr
+ store i64 poison, ptr @ptr
%cond1 = icmp slt i64 %j, %idx
br i1 %cond1, label %inner, label %inner_exit
``````````
</details>
https://github.com/llvm/llvm-project/pull/126069
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