; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefixes=ALL %s ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck --check-prefixes=ALL,AVX %s ; Don't need to preserve registers before using them. define preserve_nonecc double @preserve_nonecc1() nounwind { entry: ;ALL-LABEL: preserve_nonecc1 ;ALL-NOT: movq %rax ;ALL-NOT: movq %rbx ;ALL-NOT: movq %rcx ;ALL-NOT: movq %rdx ;ALL-NOT: movq %rsi ;ALL-NOT: movq %rdi ;ALL-NOT: movq %r8 ;ALL-NOT: movq %r9 ;ALL-NOT: movq %r10 ;ALL-NOT: movq %r11 ;ALL-NOT: movq %r12 ;ALL-NOT: movq %r13 ;ALL-NOT: movq %r14 ;ALL-NOT: movq %r15 ;ALL-NOT: movaps %xmm1 ;ALL-NOT: movaps %xmm0 ;AVX-NOT: vmovups %ymm1 ;AVX-NOT: vmovups %ymm0 ;ALL-NOT: movq {{.*}}, %rax ;ALL-NOT: movq {{.*}}, %rbx ;ALL-NOT: movq {{.*}}, %rcx ;ALL-NOT: movq {{.*}}, %rdx ;ALL-NOT: movq {{.*}}, %rsi ;ALL-NOT: movq {{.*}}, %rdi ;ALL-NOT: movq {{.*}}, %r8 ;ALL-NOT: movq {{.*}}, %r9 ;ALL-NOT: movq {{.*}}, %r10 ;ALL-NOT: movq {{.*}}, %r11 ;ALL-NOT: movq {{.*}}, %r12 ;ALL-NOT: movq {{.*}}, %r13 ;ALL-NOT: movq {{.*}}, %r14 ;ALL-NOT: movq {{.*}}, %r15 ;ALL-NOT: movaps {{.*}} %xmm0 ;ALL-NOT: movaps {{.*}} %xmm1 ;AVX-NOT: vmovups {{.*}} %ymm0 ;AVX-NOT: vmovups {{.*}} %ymm1 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}"() ret double 0. } ; Save/restore live registers across preserve_none function call. declare preserve_nonecc double @bar_double(i64, i64) define void @preserve_nonecc2() nounwind { entry: ;ALL-LABEL: preserve_nonecc2 ;ALL: movq %rax ;ALL: movq %rcx ;ALL: movq %rdx ;ALL: movq %r8 ;ALL: movq %r9 ;ALL: movq %r10 ;ALL: movq %r11 ;ALL: movaps %xmm0 ;ALL: movaps %xmm1 ;ALL: movaps %xmm2 ;ALL: movaps %xmm3 ;ALL: movaps %xmm4 ;ALL: movaps %xmm5 ;ALL: movaps %xmm6 ;ALL: movaps %xmm7 ;ALL: movaps %xmm8 ;ALL: movaps %xmm9 ;ALL: movaps %xmm10 ;ALL: movaps %xmm11 ;ALL: movaps %xmm12 ;ALL: movaps %xmm13 ;ALL: movaps %xmm14 ;ALL: movaps %xmm15 ;ALL: movq {{.*}}, %rax ;ALL: movq {{.*}}, %rcx ;ALL: movq {{.*}}, %rdx ;ALL: movq {{.*}}, %r8 ;ALL: movq {{.*}}, %r9 ;ALL: movq {{.*}}, %r10 ;ALL: movq {{.*}}, %r11 ;ALL: movaps {{.*}} %xmm0 ;ALL: movaps {{.*}} %xmm1 ;ALL: movaps {{.*}} %xmm2 ;ALL: movaps {{.*}} %xmm3 ;ALL: movaps {{.*}} %xmm4 ;ALL: movaps {{.*}} %xmm5 ;ALL: movaps {{.*}} %xmm6 ;ALL: movaps {{.*}} %xmm7 ;ALL: movaps {{.*}} %xmm8 ;ALL: movaps {{.*}} %xmm9 ;ALL: movaps {{.*}} %xmm10 ;ALL: movaps {{.*}} %xmm11 ;ALL: movaps {{.*}} %xmm12 ;ALL: movaps {{.*}} %xmm13 ;ALL: movaps {{.*}} %xmm14 ;ALL: movaps {{.*}} %xmm15 %a0 = call i64 asm sideeffect "", "={rax}"() nounwind %a1 = call i64 asm sideeffect "", "={rcx}"() nounwind %a2 = call i64 asm sideeffect "", "={rdx}"() nounwind %a3 = call i64 asm sideeffect "", "={r8}"() nounwind %a4 = call i64 asm sideeffect "", "={r9}"() nounwind %a5 = call i64 asm sideeffect "", "={r10}"() nounwind %a6 = call i64 asm sideeffect "", "={r11}"() nounwind %a10 = call <2 x double> asm sideeffect "", "={xmm0}"() nounwind %a11 = call <2 x double> asm sideeffect "", "={xmm1}"() nounwind %a12 = call <2 x double> asm sideeffect "", "={xmm2}"() nounwind %a13 = call <2 x double> asm sideeffect "", "={xmm3}"() nounwind %a14 = call <2 x double> asm sideeffect "", "={xmm4}"() nounwind %a15 = call <2 x double> asm sideeffect "", "={xmm5}"() nounwind %a16 = call <2 x double> asm sideeffect "", "={xmm6}"() nounwind %a17 = call <2 x double> asm sideeffect "", "={xmm7}"() nounwind %a18 = call <2 x double> asm sideeffect "", "={xmm8}"() nounwind %a19 = call <2 x double> asm sideeffect "", "={xmm9}"() nounwind %a20 = call <2 x double> asm sideeffect "", "={xmm10}"() nounwind %a21 = call <2 x double> asm sideeffect "", "={xmm11}"() nounwind %a22 = call <2 x double> asm sideeffect "", "={xmm12}"() nounwind %a23 = call <2 x double> asm sideeffect "", "={xmm13}"() nounwind %a24 = call <2 x double> asm sideeffect "", "={xmm14}"() nounwind %a25 = call <2 x double> asm sideeffect "", "={xmm15}"() nounwind call preserve_nonecc double @bar_double(i64 1, i64 2) call void asm sideeffect "", "{rax},{rcx},{rdx},{r8},{r9},{r10},{r11},{xmm0},{xmm1},{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, <2 x double> %a24, <2 x double> %a25) ret void }