1; RUN: sed -e "s/RETTYPE/void/;s/RETVAL//" %s | llc -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefixes=ALL,VOID %s 2; RUN: sed -e "s/RETTYPE/i32/;s/RETVAL/undef/" %s | llc -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefixes=ALL,INT %s 3; RUN: sed -e "s/RETTYPE/\{i64\,i64\}/;s/RETVAL/undef/" %s | llc -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck --check-prefixes=ALL,INT128 %s 4 5; Every GPR should be saved - except r11 and return registers 6define preserve_mostcc RETTYPE @preserve_mostcc1(i64, i64, double, double) nounwind { 7entry: 8;ALL-LABEL: preserve_mostcc1 9;ALL: pushq %r10 10;ALL-NEXT: pushq %r9 11;ALL-NEXT: pushq %r8 12;ALL-NEXT: pushq %rdi 13;ALL-NEXT: pushq %rsi 14;VOID-NEXT: pushq %rdx 15;INT-NEXT: pushq %rdx 16;INT128-NOT: pushq %rdx 17;ALL-NEXT: pushq %rcx 18;VOID-NEXT: pushq %rax 19;INT-NOT: pushq %rax 20;INT128-NOT: pushq %rax 21;ALL-NEXT: pushq %rbp 22;ALL-NEXT: pushq %r15 23;ALL-NEXT: pushq %r14 24;ALL-NEXT: pushq %r13 25;ALL-NEXT: pushq %r12 26;ALL-NEXT: pushq %rbx 27;ALL: popq %rbx 28;ALL-NEXT: popq %r12 29;ALL-NEXT: popq %r13 30;ALL-NEXT: popq %r14 31;ALL-NEXT: popq %r15 32;ALL-NEXT: popq %rbp 33;VOID-NEXT: popq %rax 34;INT-NOT: popq %rax 35;INT128-NOT: popq %rax 36;ALL-NEXT: popq %rcx 37;VOID-NEXT: popq %rdx 38;INT-NEXT: popq %rdx 39;INT128-NOT: popq %rdx 40;ALL-NEXT: popq %rsi 41;ALL-NEXT: popq %rdi 42;ALL-NEXT: popq %r8 43;ALL-NEXT: popq %r9 44;ALL-NEXT: popq %r10 45 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}"() 46 ret RETTYPE RETVAL 47} 48 49; Make sure R11, return registers and XMMs are saved before the call 50declare preserve_mostcc RETTYPE @foo(i64, i64, double, double) 51define void @preserve_mostcc2() nounwind { 52entry: 53;ALL-LABEL: preserve_mostcc2 54;VOID-NOT: movq %rax, [[REG1:%[a-z0-9]+]] 55;INT: movq %rax, [[REG1:%[a-z0-9]+]] 56;INT128: movq %rax, [[REG1:%[a-z0-9]+]] 57;VOID-NOT: movq %rdx, [[REG2:%[a-z0-9]+]] 58;INT-NOT: movq %rdx, [[REG2:%[a-z0-9]+]] 59;INT128: movq %rdx, [[REG2:%[a-z0-9]+]] 60;ALL: movq %r11, [[REG3:%[a-z0-9]+]] 61;ALL: movaps %xmm2 62;ALL: movaps %xmm3 63;ALL: movaps %xmm4 64;ALL: movaps %xmm5 65;ALL: movaps %xmm6 66;ALL: movaps %xmm7 67;ALL: movaps %xmm8 68;ALL: movaps %xmm9 69;ALL: movaps %xmm10 70;ALL: movaps %xmm11 71;ALL: movaps %xmm12 72;ALL: movaps %xmm13 73;ALL: movaps %xmm14 74;ALL: movaps %xmm15 75;ALL: call 76;VOID-NOT: movq {{.*}}, %rax 77;INT: movq [[REG1]], %rax 78;INT128: movq [[REG1]], %rax 79;VOID-NOT: movq {{.*}}, %rdx 80;INT-NOT: movq {{.*}}, %rdx 81;INT128: movq [[REG2]], %rdx 82;ALL: movq [[REG3]], %r11 83;ALL: movaps {{.*}} %xmm2 84;ALL: movaps {{.*}} %xmm3 85;ALL: movaps {{.*}} %xmm4 86;ALL: movaps {{.*}} %xmm5 87;ALL: movaps {{.*}} %xmm6 88;ALL: movaps {{.*}} %xmm7 89;ALL: movaps {{.*}} %xmm8 90;ALL: movaps {{.*}} %xmm9 91;ALL: movaps {{.*}} %xmm10 92;ALL: movaps {{.*}} %xmm11 93;ALL: movaps {{.*}} %xmm12 94;ALL: movaps {{.*}} %xmm13 95;ALL: movaps {{.*}} %xmm14 96;ALL: movaps {{.*}} %xmm15 97 %a0 = call i64 asm sideeffect "", "={rax}"() nounwind 98 %a1 = call i64 asm sideeffect "", "={rcx}"() nounwind 99 %a2 = call i64 asm sideeffect "", "={rdx}"() nounwind 100 %a3 = call i64 asm sideeffect "", "={r8}"() nounwind 101 %a4 = call i64 asm sideeffect "", "={r9}"() nounwind 102 %a5 = call i64 asm sideeffect "", "={r10}"() nounwind 103 %a6 = call i64 asm sideeffect "", "={r11}"() nounwind 104 %a10 = call <2 x double> asm sideeffect "", "={xmm2}"() nounwind 105 %a11 = call <2 x double> asm sideeffect "", "={xmm3}"() nounwind 106 %a12 = call <2 x double> asm sideeffect "", "={xmm4}"() nounwind 107 %a13 = call <2 x double> asm sideeffect "", "={xmm5}"() nounwind 108 %a14 = call <2 x double> asm sideeffect "", "={xmm6}"() nounwind 109 %a15 = call <2 x double> asm sideeffect "", "={xmm7}"() nounwind 110 %a16 = call <2 x double> asm sideeffect "", "={xmm8}"() nounwind 111 %a17 = call <2 x double> asm sideeffect "", "={xmm9}"() nounwind 112 %a18 = call <2 x double> asm sideeffect "", "={xmm10}"() nounwind 113 %a19 = call <2 x double> asm sideeffect "", "={xmm11}"() nounwind 114 %a20 = call <2 x double> asm sideeffect "", "={xmm12}"() nounwind 115 %a21 = call <2 x double> asm sideeffect "", "={xmm13}"() nounwind 116 %a22 = call <2 x double> asm sideeffect "", "={xmm14}"() nounwind 117 %a23 = call <2 x double> asm sideeffect "", "={xmm15}"() nounwind 118 call preserve_mostcc RETTYPE @foo(i64 1, i64 2, double 3.0, double 4.0) 119 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) 120 ret void 121} 122