[PATCH] D23785: AMDGPU: Remove unneeded implicit exec defs

[Matt Arsenault via llvm-commits]

arsenm added inline comments.

================
Comment at: lib/Target/AMDGPU/SIInstructions.td:1815-1820
@@ -1816,8 +1814,8 @@
 
-def SI_IF: PseudoInstSI <
+def SI_IF: CFPseudoInstSI <
   (outs SReg_64:$dst), (ins SReg_64:$vcc, brtarget:$target),
-  [(set i64:$dst, (int_amdgcn_if i1:$vcc, bb:$target))]> {
+  [(set i64:$dst, (int_amdgcn_if i1:$vcc, bb:$target))], 1, 1> {
   let Constraints = "";
   let Size = 8;
 }
 
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tstellarAMD wrote:
> Doesn't this expand to something that read/writes exec?
Yes. It still does here, it just sets the bit to CFPseudoInstSI instead of using the let blocks


https://reviews.llvm.org/D23785