67 lines
2.1 KiB
LLVM
67 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -tailcallopt < %s -mtriple=x86_64-unknown-unknown | FileCheck %s -check-prefix=X64
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; RUN: llc -tailcallopt < %s -mtriple=x86_64-uefi | FileCheck %s -check-prefix=UEFI64
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; RUN: llc -tailcallopt < %s -mtriple=i686-unknown-unknown | FileCheck %s -check-prefix=X86
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; llc -tailcallopt should not enable tail calls from fastcc to tailcc or vice versa
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declare tailcc i32 @tailcallee1(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
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define fastcc i32 @tailcaller1(i32 %in1, i32 %in2) nounwind {
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; X64-LABEL: tailcaller1:
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; X64: # %bb.0: # %entry
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; X64-NEXT: pushq %rax
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; X64-NEXT: movl %edi, %edx
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: callq tailcallee1@PLT
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; X64-NEXT: retq $8
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;
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; UEFI64-LABEL: tailcaller1:
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; UEFI64: # %bb.0: # %entry
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; UEFI64-NEXT: subq $40, %rsp
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; UEFI64-NEXT: movl %ecx, %r8d
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; UEFI64-NEXT: movl %edx, %r9d
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; UEFI64-NEXT: callq tailcallee1
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; UEFI64-NEXT: retq $40
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;
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; X86-LABEL: tailcaller1:
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; X86: # %bb.0: # %entry
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; X86-NEXT: pushl %edx
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; X86-NEXT: pushl %ecx
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; X86-NEXT: calll tailcallee1@PLT
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; X86-NEXT: retl
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entry:
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%tmp11 = tail call tailcc i32 @tailcallee1(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
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ret i32 %tmp11
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}
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declare fastcc i32 @tailcallee2(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
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define tailcc i32 @tailcaller2(i32 %in1, i32 %in2) nounwind {
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; X64-LABEL: tailcaller2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: pushq %rax
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; X64-NEXT: movl %edi, %edx
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; X64-NEXT: movl %esi, %ecx
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; X64-NEXT: callq tailcallee2@PLT
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; X64-NEXT: retq $8
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;
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; UEFI64-LABEL: tailcaller2:
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; UEFI64: # %bb.0: # %entry
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; UEFI64-NEXT: subq $40, %rsp
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; UEFI64-NEXT: movl %ecx, %r8d
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; UEFI64-NEXT: movl %edx, %r9d
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; UEFI64-NEXT: callq tailcallee2
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; UEFI64-NEXT: retq $40
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;
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; X86-LABEL: tailcaller2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: pushl %edx
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; X86-NEXT: pushl %ecx
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; X86-NEXT: calll tailcallee2@PLT
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; X86-NEXT: retl
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entry:
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%tmp11 = tail call fastcc i32 @tailcallee2(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
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ret i32 %tmp11
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}
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