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