File: aggressive-anti-dep-breaker-subreg.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (24 lines) | stat: -rw-r--r-- 824 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: llc -verify-machineinstrs %s -mtriple=powerpc64-unknown-linux-gnu -O2 -o - -optimize-regalloc=false -regalloc=fast | FileCheck %s

declare void @func(ptr, i64, i64)

define void @test(ptr %context, ptr %elementArrayPtr, i32 %value) {
entry:
  %cmp = icmp eq i32 %value, 0
  br i1 %cmp, label %lreturn, label %lnext

lnext:
  %elementArray = load ptr, ptr %elementArrayPtr, align 8
; CHECK: lwz [[LDREG:[0-9]+]], 140(1)                   # 4-byte Folded Reload
; CHECK: # implicit-def: $x[[TEMPREG:[0-9]+]]
  %element = load i32, ptr %elementArray, align 4
; CHECK: mr [[TEMPREG]], [[LDREG]]
; CHECK: clrldi   4, [[TEMPREG]], 32
  %element.ext = zext i32 %element to i64
  %value.ext = zext i32 %value to i64
  call void @func(ptr %context, i64 %value.ext, i64 %element.ext)
  br label %lreturn

lreturn:
  ret void
}