[llvm] [RISCV] Custom promote s32 G_UDIV/UREM/SDIV on RV64. Promote SREM using G_SEXT. (PR #115402)

[Craig Topper via llvm-commits]

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@@ -47,39 +47,9 @@ body:             |
     ; RV64I-NEXT: $x10 = COPY [[DIVW]]
     ; RV64I-NEXT: PseudoRET implicit $x10
     %0:gprb(s64) = COPY $x10
-    %1:gprb(s32) = G_TRUNC %0(s64)
-    %2:gprb(s64) = COPY $x11
-    %3:gprb(s32) = G_TRUNC %2(s64)
-    %4:gprb(s32) = G_SDIV %1, %3
-    %5:gprb(s64) = G_ANYEXT %4(s32)
-    $x10 = COPY %5(s64)
-    PseudoRET implicit $x10
-
-...
----
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topperc wrote:

I removed the srem i32 test here but it's still covered by an IR test.

https://github.com/llvm/llvm-project/pull/115402