[llvm] [GlobalIsel] Combine selects with constants (PR #76089)

[Thorsten Schütt via llvm-commits]

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@@ -749,8 +751,7 @@ body: |
     ; CHECK-NEXT: %reg:_(s32) = COPY $vgpr0
     ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
     ; CHECK-NEXT: %cond:_(s1) = G_ICMP intpred(eq), %reg(s32), %zero
-    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
-    ; CHECK-NEXT: %srem:_(s32) = G_SELECT %cond(s1), [[C]], %zero
+    ; CHECK-NEXT: %srem:_(s32) = G_ZEXT %cond(s1)
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tschuett wrote:

improvement

https://github.com/llvm/llvm-project/pull/76089