[llvm] [RISCV][GISel] Legalize G_SADDO/G_SSUBO/G_UADDO/G_USUBO. (PR #67615)

[Min-Yih Hsu via llvm-commits]

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@@ -43,8 +43,10 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
       .clampScalar(0, s32, XLenLLT);
 
   getActionDefinitionsBuilder(
-      {G_UADDE, G_UADDO, G_USUBE, G_USUBO})
-      .lowerFor({{XLenLLT, s1}});
+      {G_UADDE, G_UADDO, G_USUBE, G_USUBO}).lower();
+
+  getActionDefinitionsBuilder({G_SADDO, G_SSUBO})
+    .lower();
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mshockwave wrote:

code formatting here seems a little bit weird...the clang-format bot was not happy about this either

https://github.com/llvm/llvm-project/pull/67615