File: disable-fp-elim.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 (23 lines) | stat: -rw-r--r-- 970 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -fast-isel -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=all -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=none -O1 | FileCheck %s --check-prefix=ENABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=none -O0 | FileCheck %s --check-prefix=DISABLE-FP-ELIM

; Check that command line option "-frame-pointer=all" sets function
; attribute "frame-pointer"="all". Also, check frame pointer
; elimination is disabled when fast-isel is used.

; ENABLE-FP-ELIM-NOT: .setfp
; DISABLE-FP-ELIM: .setfp r11, sp

define i32 @foo1(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) {
entry:
  %call = tail call i32 @foo2(i32 %a)
  %add = add i32 %c, %b
  %add1 = add i32 %add, %d
  %add2 = add i32 %add1, %e
  %add3 = add i32 %add2, %call
  ret i32 %add3
}

declare i32 @foo2(i32)