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ceaf829339
This patch adds two new target-independent calling conventions for runtime calls - PreserveMost and PreserveAll. The target-specific implementation for X86-64 is defined as following: - Arguments are passed as for the default C calling convention - The same applies for the return value(s) - PreserveMost preserves all GPRs - except R11 - PreserveAll preserves all GPRs and all XMMs/YMMs - except R11 Reviewed by Lang and Philip git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199508 91177308-0d34-0410-b5e6-96231b3b80d8
105 lines
4.2 KiB
LLVM
105 lines
4.2 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefix=SSE %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck --check-prefix=AVX %s
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define preserve_allcc void @preserve_allcc1() nounwind {
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entry:
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;SSE-LABEL: preserve_allcc1
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;SSE: pushq %r10
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;SSE-NEXT: pushq %r9
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;SSE-NEXT: pushq %r8
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;SSE-NEXT: pushq %rdi
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;SSE-NEXT: pushq %rsi
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;SSE-NEXT: pushq %rdx
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;SSE-NEXT: pushq %rcx
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;SSE-NEXT: pushq %rax
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;SSE-NEXT: pushq %rbp
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;SSE-NEXT: pushq %r15
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;SSE-NEXT: pushq %r14
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;SSE-NEXT: pushq %r13
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;SSE-NEXT: pushq %r12
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;SSE-NEXT: pushq %rbx
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;SSE: movaps %xmm15
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;SSE-NEXT: movaps %xmm14
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;SSE-NEXT: movaps %xmm13
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;SSE-NEXT: movaps %xmm12
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;SSE-NEXT: movaps %xmm11
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;SSE-NEXT: movaps %xmm10
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;SSE-NEXT: movaps %xmm9
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;SSE-NEXT: movaps %xmm8
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;SSE-NEXT: movaps %xmm7
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;SSE-NEXT: movaps %xmm6
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;SSE-NEXT: movaps %xmm5
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;SSE-NEXT: movaps %xmm4
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;SSE-NEXT: movaps %xmm3
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;SSE-NEXT: movaps %xmm2
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;SSE-NEXT: movaps %xmm1
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;SSE-NEXT: movaps %xmm0
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;AVX-LABEL: preserve_allcc1
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;AVX: pushq %r10
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;AVX-NEXT: pushq %r9
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;AVX-NEXT: pushq %r8
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;AVX-NEXT: pushq %rdi
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;AVX-NEXT: pushq %rsi
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;AVX-NEXT: pushq %rdx
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;AVX-NEXT: pushq %rcx
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;AVX-NEXT: pushq %rax
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;AVX-NEXT: pushq %rbp
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;AVX-NEXT: pushq %r15
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;AVX-NEXT: pushq %r14
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;AVX-NEXT: pushq %r13
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;AVX-NEXT: pushq %r12
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;AVX-NEXT: pushq %rbx
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;AVX: vmovups %ymm15
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;AVX-NEXT: vmovups %ymm14
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;AVX-NEXT: vmovups %ymm13
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;AVX-NEXT: vmovups %ymm12
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;AVX-NEXT: vmovups %ymm11
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;AVX-NEXT: vmovups %ymm10
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;AVX-NEXT: vmovups %ymm9
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;AVX-NEXT: vmovups %ymm8
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;AVX-NEXT: vmovups %ymm7
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;AVX-NEXT: vmovups %ymm6
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;AVX-NEXT: vmovups %ymm5
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;AVX-NEXT: vmovups %ymm4
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;AVX-NEXT: vmovups %ymm3
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;AVX-NEXT: vmovups %ymm2
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;AVX-NEXT: vmovups %ymm1
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;AVX-NEXT: vmovups %ymm0
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call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{rbp},~{xmm0},~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15}"()
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ret void
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}
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; Make sure only R11 is saved before the call
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declare preserve_allcc void @bar(i64, i64, double, double)
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define void @preserve_allcc2() nounwind {
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entry:
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;SSE-LABEL: preserve_allcc2
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;SSE: movq %r11, [[REG:%[a-z0-9]+]]
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;SSE-NOT: movaps %xmm
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;SSE: movq [[REG]], %r11
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%a0 = call i64 asm sideeffect "", "={rax}"() nounwind
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%a1 = call i64 asm sideeffect "", "={rcx}"() nounwind
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%a2 = call i64 asm sideeffect "", "={rdx}"() nounwind
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%a3 = call i64 asm sideeffect "", "={r8}"() nounwind
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%a4 = call i64 asm sideeffect "", "={r9}"() nounwind
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%a5 = call i64 asm sideeffect "", "={r10}"() nounwind
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%a6 = call i64 asm sideeffect "", "={r11}"() nounwind
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%a10 = call <2 x double> asm sideeffect "", "={xmm2}"() nounwind
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%a11 = call <2 x double> asm sideeffect "", "={xmm3}"() nounwind
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%a12 = call <2 x double> asm sideeffect "", "={xmm4}"() nounwind
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%a13 = call <2 x double> asm sideeffect "", "={xmm5}"() nounwind
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%a14 = call <2 x double> asm sideeffect "", "={xmm6}"() nounwind
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%a15 = call <2 x double> asm sideeffect "", "={xmm7}"() nounwind
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%a16 = call <2 x double> asm sideeffect "", "={xmm8}"() nounwind
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%a17 = call <2 x double> asm sideeffect "", "={xmm9}"() nounwind
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%a18 = call <2 x double> asm sideeffect "", "={xmm10}"() nounwind
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%a19 = call <2 x double> asm sideeffect "", "={xmm11}"() nounwind
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%a20 = call <2 x double> asm sideeffect "", "={xmm12}"() nounwind
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%a21 = call <2 x double> asm sideeffect "", "={xmm13}"() nounwind
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%a22 = call <2 x double> asm sideeffect "", "={xmm14}"() nounwind
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%a23 = call <2 x double> asm sideeffect "", "={xmm15}"() nounwind
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call preserve_allcc void @bar(i64 1, i64 2, double 3.0, double 4.0)
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call void asm sideeffect "", "{rax},{rcx},{rdx},{r8},{r9},{r10},{r11},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},{xmm8},{xmm9},{xmm10},{xmm11},{xmm12},{xmm13},{xmm14},{xmm15}"(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, <2 x double> %a10, <2 x double> %a11, <2 x double> %a12, <2 x double> %a13, <2 x double> %a14, <2 x double> %a15, <2 x double> %a16, <2 x double> %a17, <2 x double> %a18, <2 x double> %a19, <2 x double> %a20, <2 x double> %a21, <2 x double> %a22, <2 x double> %a23)
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ret void
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}
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