[llvm] [VPlan] Strip bad FIXME in expand-scev (NFC) (PR #218213)

Ramkumar Ramachandra via llvm-commits llvm-commits at lists.llvm.org
Sun Aug 23 00:33:09 PDT 2026


https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/218213

7be188763a ([VPlan] Don't preserve NSW in mul -> shl conversion for bw-1 op) missed stripping it.

>From 0f47b6f7735bc10591d0edc311eeb1d1047682bb Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <artagnon at tenstorrent.com>
Date: Sun, 23 Aug 2026 08:31:32 +0100
Subject: [PATCH] [VPlan] Strip bad FIXME in expand-scev (NFC)

7be188763a ([VPlan] Don't preserve NSW in mul -> shl conversion for bw-1
op) missed stripping it.
---
 llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll b/llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll
index e6cc0cbfc5c95..79c3f709f0342 100644
--- a/llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll
+++ b/llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll
@@ -283,7 +283,6 @@ exit:
   ret void
 }
 
-; FIXME: shl incorrectly carries nsw.
 ; Test for https://github.com/llvm/llvm-project/issues/205252.
 define i32 @mul_by_signed_min_expanded_to_shl(i1 %a) {
 ; CHECK-LABEL: VPlan for loop in 'mul_by_signed_min_expanded_to_shl'



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