File: costmodel.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 (49 lines) | stat: -rw-r--r-- 3,525 bytes parent folder | download | duplicates (13)
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
46
47
48
49
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s -cost-model -cost-kind=latency -analyze -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s --check-prefix=LATENCY
; RUN: opt < %s -cost-model -cost-kind=code-size -analyze -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s --check-prefix=CODESIZE

; Tests if the interface TargetTransformInfo::getInstructionCost() works correctly.

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32)

define i64 @foo(i64 %arg) {
; LATENCY-LABEL: 'foo'
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %A1 = alloca i32, align 8
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %A2 = alloca i64, i64 undef, align 8
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = add i64 undef, undef
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %1 = load i64, i64* undef, align 4
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %BC = bitcast i8* undef to i32*
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %I2P = inttoptr i64 undef to i8*
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %P2I = ptrtoint i8* undef to i64
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %TC = trunc i64 undef to i32
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 undef, i32 undef)
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 40 for instruction: call void undef()
; LATENCY-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 undef
;
; CODESIZE-LABEL: 'foo'
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %A1 = alloca i32, align 8
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %A2 = alloca i64, i64 undef, align 8
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = add i64 undef, undef
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %1 = load i64, i64* undef, align 4
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %BC = bitcast i8* undef to i32*
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %I2P = inttoptr i64 undef to i8*
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %P2I = ptrtoint i8* undef to i64
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %TC = trunc i64 undef to i32
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 undef, i32 undef)
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: call void undef()
; CODESIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 undef
;
  %A1 = alloca i32, align 8
  %A2 = alloca i64, i64 undef, align 8
  %I64 = add i64 undef, undef
  load i64, i64* undef, align 4
  %BC = bitcast i8* undef to i32*
  %I2P = inttoptr i64 undef to i8*
  %P2I = ptrtoint i8* undef to i64
  %TC = trunc i64 undef to i32
  %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 undef, i32 undef)
  call void undef()
  ret i64 undef
}