; RUN: llc < %s -tailcallopt -code-model=medium -stack-alignment=8 -mtriple=x86_64-linux-gnu -mcpu=opteron | FileCheck %s ; Check the HiPE calling convention works (x86-64) define void @zap(i64 %a, i64 %b) nounwind { entry: ; CHECK: movq %rsi, %rax ; CHECK-NEXT: movl $8, %ecx ; CHECK-NEXT: movl $9, %r8d ; CHECK-NEXT: movq %rdi, %rsi ; CHECK-NEXT: movq %rax, %rdx ; CHECK-NEXT: callq addfour %0 = call cc 11 {i64, i64, i64} @addfour(i64 undef, i64 undef, i64 %a, i64 %b, i64 8, i64 9) %res = extractvalue {i64, i64, i64} %0, 2 ; CHECK: movl $1, %edx ; CHECK-NEXT: movl $2, %ecx ; CHECK-NEXT: movl $3, %r8d ; CHECK-NEXT: movq %rax, %r9 ; CHECK: callq foo tail call void @foo(i64 undef, i64 undef, i64 1, i64 2, i64 3, i64 %res) nounwind ret void } define cc 11 {i64, i64, i64} @addfour(i64 %hp, i64 %p, i64 %x, i64 %y, i64 %z, i64 %w) nounwind { entry: ; CHECK: leaq (%rsi,%rdx), %rax ; CHECK-NEXT: addq %rcx, %rax ; CHECK-NEXT: addq %r8, %rax %0 = add i64 %x, %y %1 = add i64 %0, %z %2 = add i64 %1, %w ; CHECK: ret %res = insertvalue {i64, i64, i64} undef, i64 %2, 2 ret {i64, i64, i64} %res } define cc 11 void @foo(i64 %hp, i64 %p, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3) nounwind { entry: ; CHECK: movq %r15, 40(%rsp) ; CHECK-NEXT: movq %rbp, 32(%rsp) ; CHECK-NEXT: movq %rsi, 24(%rsp) ; CHECK-NEXT: movq %rdx, 16(%rsp) ; CHECK-NEXT: movq %rcx, 8(%rsp) ; CHECK-NEXT: movq %r8, (%rsp) %hp_var = alloca i64 %p_var = alloca i64 %arg0_var = alloca i64 %arg1_var = alloca i64 %arg2_var = alloca i64 %arg3_var = alloca i64 store i64 %hp, i64* %hp_var store i64 %p, i64* %p_var store i64 %arg0, i64* %arg0_var store i64 %arg1, i64* %arg1_var store i64 %arg2, i64* %arg2_var store i64 %arg3, i64* %arg3_var ; CHECK: movq 40(%rsp), %r15 ; CHECK-NEXT: movq 32(%rsp), %rbp ; CHECK-NEXT: movq 24(%rsp), %rsi ; CHECK-NEXT: movq 16(%rsp), %rdx ; CHECK-NEXT: movq 8(%rsp), %rcx %0 = load i64* %hp_var %1 = load i64* %p_var %2 = load i64* %arg0_var %3 = load i64* %arg1_var %4 = load i64* %arg2_var %5 = load i64* %arg3_var ; CHECK: jmp bar tail call cc 11 void @bar(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5) nounwind ret void } define cc 11 void @baz() nounwind { %tmp_clos = load i64* @clos %tmp_clos2 = inttoptr i64 %tmp_clos to i64* %indirect_call = bitcast i64* %tmp_clos2 to void (i64, i64, i64)* ; CHECK: movl $42, %esi ; CHECK-NEXT: jmpq *(%rax) tail call cc 11 void %indirect_call(i64 undef, i64 undef, i64 42) nounwind ret void } @clos = external constant i64 declare cc 11 void @bar(i64, i64, i64, i64, i64, i64)