57 lines
1.1 KiB
LLVM
57 lines
1.1 KiB
LLVM
; RUN: llc < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p:16:16-i32:16:32-a:16-n8:16"
|
|
target triple = "msp430---elf"
|
|
|
|
define void @test_no_clobber() {
|
|
entry:
|
|
; CHECK-LABEL: test_no_clobber
|
|
; CHECK-NOT: push
|
|
call void asm sideeffect "", ""()
|
|
; CHECK-NOT: pop
|
|
ret void
|
|
; CHECK: -- End function
|
|
}
|
|
|
|
define void @test_1() {
|
|
entry:
|
|
; CHECK-LABEL: test_1:
|
|
; CHECK: push r8
|
|
; CHECK: push r6
|
|
; CHECK: push r4
|
|
call void asm sideeffect "", "~{r4},~{r6},~{r8}"()
|
|
; CHECK: pop r4
|
|
; CHECK: pop r6
|
|
; CHECK: pop r8
|
|
ret void
|
|
}
|
|
|
|
define void @test_2() {
|
|
entry:
|
|
; CHECK-LABEL: test_2:
|
|
; CHECK: push r9
|
|
; CHECK: push r7
|
|
; CHECK: push r5
|
|
call void asm sideeffect "", "~{r5},~{r7},~{r9}"()
|
|
; CHECK: pop r5
|
|
; CHECK: pop r7
|
|
; CHECK: pop r9
|
|
ret void
|
|
}
|
|
|
|
; The r10 register is special because the sequence
|
|
; pop r10
|
|
; ret
|
|
; can be replaced with
|
|
; jmp __mspabi_func_epilog_1
|
|
; or other such function (depending on previous instructions).
|
|
; Still, it is not replaced *yet*.
|
|
define void @test_r10() {
|
|
entry:
|
|
; CHECK-LABEL: test_r10:
|
|
; CHECK: push r10
|
|
call void asm sideeffect "", "~{r10}"()
|
|
; CHECK: pop r10
|
|
ret void
|
|
}
|