[llvm] [LLVM] Slay undead copysign code (PR #111269)

[via llvm-commits]

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@@ -91,8 +92,9 @@ define ppc_fp128 @foo_ld(double %a, double %b) #0 {
 ; CHECK-VSX-NEXT:    fmr 0, 1
 ; CHECK-VSX-NEXT:    xscpsgndp 1, 2, 1
 ; CHECK-VSX-NEXT:    xxlxor 2, 2, 2
-; CHECK-VSX-NEXT:    xscmpudp 0, 0, 1
-; CHECK-VSX-NEXT:    beqlr 0
+; CHECK-VSX-NEXT:    fcmpu 0, 0, 1
+; CHECK-VSX-NEXT:    cror 20, 2, 3
+; CHECK-VSX-NEXT:    bclr 12, 20, 0
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workingjubilee wrote:

@RKSimon If I rebase on main, which I have to now, that will just dump 1000 files of diff on it in the GH view. It will obliterate any ability to see anything. If you wanted me to insert a commit at the start, before any code changes, I could have simply done that.

https://github.com/llvm/llvm-project/pull/111269