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