Pre-commit tests

Author: topperc

llvm/test/CodeGen/RISCV/and-negpow2-cmp.ll

@@ -64,3 +64,39 @@ define i1 @test4(i64 %x) {
   %b = icmp eq i64 %a, 0
   ret i1 %b
 }
+
+define i1 @test5(i64 %x) {
+; RV32-LABEL: test5:
+; RV32:       # %bb.0:
+; RV32-NEXT:    srli a0, a0, 29
+; RV32-NEXT:    seqz a0, a0
+; RV32-NEXT:    ret
+;
+; RV64-LABEL: test5:
+; RV64:       # %bb.0:
+; RV64-NEXT:    srliw a0, a0, 29
+; RV64-NEXT:    slli a0, a0, 29
+; RV64-NEXT:    seqz a0, a0
+; RV64-NEXT:    ret
+  %a = and i64 %x, u0xE0000000
+  %b = icmp eq i64 %a, 0
+  ret i1 %b
+}
+
+define i1 @test6(i64 %x) {
+; RV32-LABEL: test6:
+; RV32:       # %bb.0:
+; RV32-NEXT:    srli a0, a0, 29
+; RV32-NEXT:    snez a0, a0
+; RV32-NEXT:    ret
+;
+; RV64-LABEL: test6:
+; RV64:       # %bb.0:
+; RV64-NEXT:    srliw a0, a0, 29
+; RV64-NEXT:    slli a0, a0, 29
+; RV64-NEXT:    snez a0, a0
+; RV64-NEXT:    ret
+  %a = and i64 %x, u0xE0000000
+  %b = icmp ne i64 %a, 0
+  ret i1 %b
+}