xref: /llvm-project/llvm/test/CodeGen/X86/freeze-combine.ll (revision 55c6bda01ef5a166a69b43956775272d9d67bda5)
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2; RUN: llc -stop-after=finalize-isel -mtriple=x86_64-unknown < %s 2>&1 | FileCheck %s
3define i32 @const() {
4  ; CHECK-LABEL: name: const
5  ; CHECK: bb.0 (%ir-block.0):
6  ; CHECK-NEXT:   [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 1
7  ; CHECK-NEXT:   $eax = COPY [[MOV32ri]]
8  ; CHECK-NEXT:   RET 0, $eax
9  %y = freeze i32 1
10  ret i32 %y
11}
12
13define i32 @fold(i32 %x) {
14  ; CHECK-LABEL: name: fold
15  ; CHECK: bb.0 (%ir-block.0):
16  ; CHECK-NEXT:   liveins: $edi
17  ; CHECK-NEXT: {{  $}}
18  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gr32 = COPY $edi
19  ; CHECK-NEXT:   $eax = COPY [[COPY]]
20  ; CHECK-NEXT:   RET 0, $eax
21  %y = freeze i32 %x
22  %z = freeze i32 %y
23  ret i32 %z
24}
25