File: apply-penalty-for-inputs.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 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 (36 lines) | stat: -rw-r--r-- 912 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
; REQUIRES: asserts
; RUN: opt -passes=hotcoldsplit -debug-only=hotcoldsplit -hotcoldsplit-threshold=2 -hotcoldsplit-max-params=2 -S < %s -o /dev/null 2>&1 | FileCheck %s

declare void @sink(ptr, i32, i32) cold

@g = global i32 0

define void @foo(i32 %arg) {
  %local = load i32, ptr @g
  br i1 undef, label %cold, label %exit

cold:
  ; CHECK: Applying penalty for splitting: 2
  ; CHECK-NEXT: Applying penalty for: 2 params
  ; CHECK-NEXT: Applying penalty for: 0 outputs/split phis
  ; CHECK-NEXT: penalty = 6
  call void @sink(ptr @g, i32 %arg, i32 %local)
  ret void

exit:
  ret void
}

define void @bar(ptr %p1, i32 %p2, i32 %p3) {
  br i1 undef, label %cold, label %exit

cold:
  ; CHECK: Applying penalty for splitting: 2
  ; CHECK-NEXT: 3 inputs and 0 outputs exceeds parameter limit (2)
  ; CHECK-NEXT: penalty = 2147483647
  call void @sink(ptr %p1, i32 %p2, i32 %p3)
  ret void

exit:
  ret void
}