[llvm] [DAGCombiner] Ensure poison-generating flags are stripped in `freeze` op (PR #114582)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=arm-linux-gnueabi -mcpu=arm1022e -mattr=armv5te -o - %s | FileCheck %s
+
+; Ensure poison-generating flags are stripped by the time a freeze operand is visited.
+
+ at g_ptr = global ptr null, align 4
+
+define ptr @drop_flags(i32 noundef %numentries, i64 %cond, i64 %arg) local_unnamed_addr #0 {
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arsenm wrote:

Don't need local_unnamed_addr, and `#0` is dead 

https://github.com/llvm/llvm-project/pull/114582