File: int-operands-extcost.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (45 lines) | stat: -rw-r--r-- 2,115 bytes parent folder | download
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
37
38
39
40
41
42
43
44
45
; RUN: opt < %s -passes='print<cost-model>' 2>&1 -disable-output -mtriple=systemz-unknown -mcpu=z13 \
; RUN:  | FileCheck %s
;
; Test that i8/i16 operands get extra costs for extensions to i32 only in
; cases where this is needed.

define void @icmp() {
  %li8_0 = load i8, i8* undef
  %li8_1 = load i8, i8* undef
  icmp slt i8 %li8_0, %li8_1

  %a0 = add i8 %li8_0, 1
  %a1 = add i8 %li8_1, 1
  icmp slt i8 %a0, %a1

  icmp slt i8 %a0, 123

  %li16_0 = load i16, i16* undef
  %li16_1 = load i16, i16* undef
  icmp slt i16 %li16_0, %li16_1

  %a2 = add i16 %li16_0, 1
  %a3 = add i16 %li16_1, 1
  icmp slt i16 %a2, %a3

  icmp slt i16 %a2, 123

  ret void;
; CHECK: function 'icmp'
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %li8_0 = load i8, i8* undef
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %li8_1 = load i8, i8* undef
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %1 = icmp slt i8 %li8_0, %li8_1
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %a0 = add i8 %li8_0, 1
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %a1 = add i8 %li8_1, 1
; CHECK: Cost Model: Found an estimated cost of 3 for instruction:   %2 = icmp slt i8 %a0, %a1
; CHECK: Cost Model: Found an estimated cost of 2 for instruction:   %3 = icmp slt i8 %a0, 123
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %li16_0 = load i16, i16* undef
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %li16_1 = load i16, i16* undef
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %4 = icmp slt i16 %li16_0, %li16_1
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %a2 = add i16 %li16_0, 1
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   %a3 = add i16 %li16_1, 1
; CHECK: Cost Model: Found an estimated cost of 3 for instruction:   %5 = icmp slt i16 %a2, %a3
; CHECK: Cost Model: Found an estimated cost of 2 for instruction:   %6 = icmp slt i16 %a2, 123
; CHECK: Cost Model: Found an estimated cost of 1 for instruction:   ret void
}