[PATCH] D129981: [RISCV] Pre-commit tests for D129980. NFC

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Jul 17 20:23:34 PDT 2022


craig.topper created this revision.
craig.topper added reviewers: reames, asb, luismarques.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129981

Files:
  llvm/test/CodeGen/RISCV/i64-icmp.ll


Index: llvm/test/CodeGen/RISCV/i64-icmp.ll
===================================================================
--- llvm/test/CodeGen/RISCV/i64-icmp.ll
+++ llvm/test/CodeGen/RISCV/i64-icmp.ll
@@ -685,3 +685,65 @@
   %2 = zext i1 %1 to i64
   ret i64 %2
 }
+
+define i64 @icmp_eq_zext_inreg_small_constant(i64 %a) nounwind {
+; RV64I-LABEL: icmp_eq_zext_inreg_small_constant:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    slli a0, a0, 32
+; RV64I-NEXT:    srli a0, a0, 32
+; RV64I-NEXT:    addi a0, a0, -123
+; RV64I-NEXT:    seqz a0, a0
+; RV64I-NEXT:    ret
+  %1 = and i64 %a, 4294967295
+  %2 = icmp eq i64 %1, 123
+  %3 = zext i1 %2 to i64
+  ret i64 %3
+}
+
+define i64 @icmp_eq_zext_inreg_large_constant(i64 %a) nounwind {
+; RV64I-LABEL: icmp_eq_zext_inreg_large_constant:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    slli a0, a0, 32
+; RV64I-NEXT:    srli a0, a0, 32
+; RV64I-NEXT:    lui a1, 138
+; RV64I-NEXT:    addiw a1, a1, -1347
+; RV64I-NEXT:    slli a1, a1, 12
+; RV64I-NEXT:    addi a1, a1, -529
+; RV64I-NEXT:    xor a0, a0, a1
+; RV64I-NEXT:    seqz a0, a0
+; RV64I-NEXT:    ret
+  %1 = and i64 %a, 4294967295
+  %2 = icmp eq i64 %1, 2309737967
+  %3 = zext i1 %2 to i64
+  ret i64 %3
+}
+
+define i64 @icmp_ne_zext_inreg_small_constant(i64 %a) nounwind {
+; RV64I-LABEL: icmp_ne_zext_inreg_small_constant:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    slli a0, a0, 32
+; RV64I-NEXT:    srli a0, a0, 32
+; RV64I-NEXT:    snez a0, a0
+; RV64I-NEXT:    ret
+  %1 = and i64 %a, 4294967295
+  %2 = icmp ne i64 %1, 0
+  %3 = zext i1 %2 to i64
+  ret i64 %3
+}
+
+define i64 @icmp_ne_zext_inreg_large_constant(i64 %a) nounwind {
+; RV64I-LABEL: icmp_ne_zext_inreg_large_constant:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    slli a0, a0, 32
+; RV64I-NEXT:    srli a0, a0, 32
+; RV64I-NEXT:    li a1, 1
+; RV64I-NEXT:    slli a1, a1, 32
+; RV64I-NEXT:    addi a1, a1, -2
+; RV64I-NEXT:    xor a0, a0, a1
+; RV64I-NEXT:    snez a0, a0
+; RV64I-NEXT:    ret
+  %1 = and i64 %a, 4294967295
+  %2 = icmp ne i64 %1, 4294967294
+  %3 = zext i1 %2 to i64
+  ret i64 %3
+}


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