File: no_info.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 (31 lines) | stat: -rw-r--r-- 908 bytes parent folder | download | duplicates (12)
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
; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output | FileCheck %s

; The cost model does not have any target information so it just makes boring
; assumptions.

; -- No triple in this module --

; CHECK-LABEL: function 'no_info'
; CHECK: cost of 1 {{.*}} add
; CHECK: cost of 1 {{.*}} ret
define i32 @no_info(i32 %arg) {
  %e = add i32 %arg, %arg
  ret i32 %e
}

define i8 @addressing_mode_reg_reg(ptr %a, i32 %b) {
; CHECK-LABEL: function 'addressing_mode_reg_reg'
  %p = getelementptr i8, ptr %a, i32 %b ; NoTTI accepts reg+reg addressing.
; CHECK: cost of 0 {{.*}} getelementptr
  %v = load i8, ptr %p
  ret i8 %v
}

; CHECK-LABEL: function 'addressing_mode_scaled_reg'
define i32 @addressing_mode_scaled_reg(ptr %a, i32 %b) {
  ; NoTTI rejects reg+scale*reg addressing.
  %p = getelementptr i32, ptr %a, i32 %b
; CHECK: cost of 1 {{.*}} getelementptr
  %v = load i32, ptr %p
  ret i32 %v
}