llvm-for-llvmta/test/CodeGen/X86/freeze-combine.ll

25 lines
723 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -stop-after=finalize-isel -mtriple=x86_64-unknown < %s 2>&1 | FileCheck %s
define i32 @const() {
; CHECK-LABEL: name: const
; CHECK: bb.0 (%ir-block.0):
; CHECK: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 1
; CHECK: $eax = COPY [[MOV32ri]]
; CHECK: RET 0, $eax
%y = freeze i32 1
ret i32 %y
}
define i32 @fold(i32 %x) {
; CHECK-LABEL: name: fold
; CHECK: bb.0 (%ir-block.0):
; CHECK: liveins: $edi
; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
; CHECK: [[COPY1:%[0-9]+]]:gr32 = COPY [[COPY]]
; CHECK: $eax = COPY [[COPY1]]
; CHECK: RET 0, $eax
%y = freeze i32 %x
%z = freeze i32 %y
ret i32 %z
}