Pre-commit tests (NFC)

Author: AZero13

llvm/test/CodeGen/X86/freeze-simplify.ll

@@ -0,0 +1,49 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s 2>&1 | FileCheck %s --check-prefix=X86ASM
+
+define i32 @sub_freeze(i32 %x, i32 %y) {
+; X86ASM-LABEL: sub_freeze:
+; X86ASM:       # %bb.0:
+; X86ASM-NEXT:    xorl %eax, %eax
+; X86ASM-NEXT:    retq
+  %a = udiv i32 %x, %y
+  %b = freeze i32 %a
+  %c = sub i32 %a, %b
+  ret i32 %c
+}
+
+define i32 @sub_freeze_2(i32 %x, i32 %y) {
+; X86ASM-LABEL: sub_freeze_2:
+; X86ASM:       # %bb.0:
+; X86ASM-NEXT:    xorl %eax, %eax
+; X86ASM-NEXT:    retq
+  %a = add nuw i32 %x, %y
+  %b = freeze i32 %a
+  %c = sub i32 %a, %b
+  ret i32 %c
+}
+
+define i32 @xor_freeze(i32 %x, i32 %y) {
+; X86ASM-LABEL: xor_freeze:
+; X86ASM:       # %bb.0:
+; X86ASM-NEXT:    movl %edi, %eax
+; X86ASM-NEXT:    xorl %edx, %edx
+; X86ASM-NEXT:    divl %esi
+; X86ASM-NEXT:    xorl %eax, %eax
+; X86ASM-NEXT:    retq
+  %a = udiv i32 %x, %y
+  %b = freeze i32 %a
+  %c = xor i32 %a, %b
+  ret i32 %c
+}
+
+define i32 @xor_freeze_2(i32 %x, i32 %y) {
+; X86ASM-LABEL: xor_freeze_2:
+; X86ASM:       # %bb.0:
+; X86ASM-NEXT:    xorl %eax, %eax
+; X86ASM-NEXT:    retq
+  %a = add nuw i32 %x, %y
+  %b = freeze i32 %a
+  %c = xor i32 %a, %b
+  ret i32 %c
+}