llvm-project/llvm/test/CodeGen/ARM/inline-asm-clobber.ll

28 lines
1.1 KiB
LLVM

; 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, i32* %vla, align 4
ret i32 %1
}