File: inline-asm-clobber.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (27 lines) | stat: -rw-r--r-- 1,100 bytes parent folder | download | duplicates (14) 
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
 
; RUN: llc <%s -mtriple=arm-none-eabi 2>&1 | FileCheck %s -check-prefix=CHECK

; RUN: llc <%s -mtriple=arm-none-eabi -relocation-model=rwpi 2>&1 \
; RUN:   | FileCheck %s -check-prefix=RWPI

; RUN: llc <%s -mtriple=arm-none-eabi --frame-pointer=all 2>&1 \
; RUN:   | FileCheck %s -check-prefix=NO_FP_ELIM

; CHECK: warning: inline asm clobber list contains reserved registers: SP, PC
; CHECK: warning: inline asm clobber list contains reserved registers: R11
; RWPI: warning: inline asm clobber list contains reserved registers: R9, SP, PC
; RWPI: warning: inline asm clobber list contains reserved registers: R11
; NO_FP_ELIM: warning: inline asm clobber list contains reserved registers: R11, SP, PC
; NO_FP_ELIM: warning: inline asm clobber list contains reserved registers: R11

define void @foo() nounwind {
  call void asm sideeffect "mov r7, #1",
    "~{r9},~{r11},~{r12},~{lr},~{sp},~{pc},~{r10}"()
  ret void
}

define i32 @bar(i32 %i) {
  %vla = alloca i32, i32 %i, align 4
  tail call void asm sideeffect "mov r7, #1", "~{r11}"()
  %1 = load volatile i32, ptr %vla, align 4
  ret i32 %1
}