[llvm] [licm] clone metadata when hoisting conditional branch (PR #152232)

[Mircea Trofin via llvm-commits]

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@@ -0,0 +1,46 @@
+; Test that hoising conditional branches copies over profiling metadata
+; RUN: opt -S -passes=licm -licm-control-flow-hoisting=1 %s -o - | FileCheck %s
+
+; CHECK-LABEL: @triangle_phi
+define void @triangle_phi(i32 %x, ptr %p) {
+; CHECK-LABEL: entry:
+; CHECK: %cmp1 = icmp sgt i32 %x, 0
+; CHECK: br i1 %cmp1, label %[[IF_LICM:.*]], label %[[THEN_LICM:.*]], !prof !0
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mtrofin wrote:

I know I need to add a test for `!dbg`

https://github.com/llvm/llvm-project/pull/152232