File: freeze-combine.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (24 lines) | stat: -rw-r--r-- 723 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; 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
}