1 ; RUN: llc < %s -tailcallopt -code-model=medium -stack-alignment=8 -mtriple=x86_64-linux-gnu -mcpu=opteron | FileCheck %s 2 3 ; Check the HiPE calling convention works (x86-64) 4 5 define void @zap(i64 %a, i64 %b) nounwind { 6 entry: 7 ; CHECK: movq %rsi, %rax 8 ; CHECK-NEXT: movq %rdi, %rsi 9 ; CHECK-NEXT: movq %rax, %rdx 10 ; CHECK-NEXT: movl $8, %ecx 11 ; CHECK-NEXT: movl $9, %r8d 12 ; CHECK-NEXT: callq addfour 13 %0 = call cc 11 {i64, i64, i64} @addfour(i64 undef, i64 undef, i64 %a, i64 %b, i64 8, i64 9) 14 %res = extractvalue {i64, i64, i64} %0, 2 15 16 ; CHECK: movl $1, %edx 17 ; CHECK-NEXT: movl $2, %ecx 18 ; CHECK-NEXT: movl $3, %r8d 19 ; CHECK-NEXT: movq %rax, %r9 20 ; CHECK: callq foo 21 tail call void @foo(i64 undef, i64 undef, i64 1, i64 2, i64 3, i64 %res) nounwind 22 ret void 23 } 24 25 define cc 11 {i64, i64, i64} @addfour(i64 %hp, i64 %p, i64 %x, i64 %y, i64 %z, i64 %w) nounwind { 26 entry: 27 ; CHECK: leaq (%rsi,%rdx), %rax 28 ; CHECK-NEXT: addq %rcx, %rax 29 ; CHECK-NEXT: addq %r8, %rax 30 %0 = add i64 %x, %y 31 %1 = add i64 %0, %z 32 %2 = add i64 %1, %w 33 34 ; CHECK: ret 35 %res = insertvalue {i64, i64, i64} undef, i64 %2, 2 36 ret {i64, i64, i64} %res 37 } 38 39 define cc 11 void @foo(i64 %hp, i64 %p, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3) nounwind { 40 entry: 41 ; CHECK: movq %r15, 40(%rsp) 42 ; CHECK-NEXT: movq %rbp, 32(%rsp) 43 ; CHECK-NEXT: movq %rsi, 24(%rsp) 44 ; CHECK-NEXT: movq %rdx, 16(%rsp) 45 ; CHECK-NEXT: movq %rcx, 8(%rsp) 46 ; CHECK-NEXT: movq %r8, (%rsp) 47 %hp_var = alloca i64 48 %p_var = alloca i64 49 %arg0_var = alloca i64 50 %arg1_var = alloca i64 51 %arg2_var = alloca i64 52 %arg3_var = alloca i64 53 store i64 %hp, i64* %hp_var 54 store i64 %p, i64* %p_var 55 store i64 %arg0, i64* %arg0_var 56 store i64 %arg1, i64* %arg1_var 57 store i64 %arg2, i64* %arg2_var 58 store i64 %arg3, i64* %arg3_var 59 60 ; CHECK: movq 8(%rsp), %rcx 61 ; CHECK-NEXT: movq 16(%rsp), %rdx 62 ; CHECK-NEXT: movq 24(%rsp), %rsi 63 ; CHECK-NEXT: movq 32(%rsp), %rbp 64 ; CHECK-NEXT: movq 40(%rsp), %r15 65 %0 = load i64* %hp_var 66 %1 = load i64* %p_var 67 %2 = load i64* %arg0_var 68 %3 = load i64* %arg1_var 69 %4 = load i64* %arg2_var 70 %5 = load i64* %arg3_var 71 ; CHECK: jmp bar 72 tail call cc 11 void @bar(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5) nounwind 73 ret void 74 } 75 76 define cc 11 void @baz() nounwind { 77 %tmp_clos = load i64* @clos 78 %tmp_clos2 = inttoptr i64 %tmp_clos to i64* 79 %indirect_call = bitcast i64* %tmp_clos2 to void (i64, i64, i64)* 80 ; CHECK: movl $42, %esi 81 ; CHECK-NEXT: jmpq *(%rax) 82 tail call cc 11 void %indirect_call(i64 undef, i64 undef, i64 42) nounwind 83 ret void 84 } 85 86 @clos = external constant i64 87 declare cc 11 void @bar(i64, i64, i64, i64, i64, i64) 88
