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      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: movl $8, %ecx
      9   ; CHECK-NEXT: movl $9, %r8d
     10   ; CHECK-NEXT: movq %rdi, %rsi
     11   ; CHECK-NEXT: movq %rax, %rdx
     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  40(%rsp), %r15
     61   ; CHECK-NEXT: movq  32(%rsp), %rbp
     62   ; CHECK-NEXT: movq  24(%rsp), %rsi
     63   ; CHECK-NEXT: movq  16(%rsp), %rdx
     64   ; CHECK-NEXT: movq  8(%rsp), %rcx
     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