forked from OSchip/llvm-project
66 lines
1.8 KiB
LLVM
66 lines
1.8 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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declare dso_local swifttailcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
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define dso_local swifttailcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
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; CHECK-LABEL: tailcaller:
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; CHECK-NOT: subq
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; CHECK-NOT: addq
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; CHECK: jmp tailcallee
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entry:
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%tmp11 = musttail call swifttailcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
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ret i32 %tmp11
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}
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declare dso_local swifttailcc i8* @alias_callee()
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define swifttailcc noalias i8* @noalias_caller() nounwind {
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; CHECK-LABEL: noalias_caller:
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; CHECK: jmp alias_callee
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%p = musttail call swifttailcc i8* @alias_callee()
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ret i8* %p
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}
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declare dso_local swifttailcc noalias i8* @noalias_callee()
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define dso_local swifttailcc i8* @alias_caller() nounwind {
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; CHECK-LABEL: alias_caller:
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; CHECK: jmp noalias_callee # TAILCALL
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%p = musttail call swifttailcc noalias i8* @noalias_callee()
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ret i8* %p
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}
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declare dso_local swifttailcc i32 @i32_callee()
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define dso_local swifttailcc i32 @ret_undef() nounwind {
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; CHECK-LABEL: ret_undef:
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; CHECK: jmp i32_callee # TAILCALL
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%p = musttail call swifttailcc i32 @i32_callee()
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ret i32 undef
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}
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declare dso_local swifttailcc void @does_not_return()
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define dso_local swifttailcc i32 @noret() nounwind {
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; CHECK-LABEL: noret:
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; CHECK: jmp does_not_return
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tail call swifttailcc void @does_not_return()
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unreachable
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}
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define dso_local swifttailcc void @void_test(i32, i32, i32, i32) {
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; CHECK-LABEL: void_test:
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; CHECK: jmp void_test
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entry:
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musttail call swifttailcc void @void_test( i32 %0, i32 %1, i32 %2, i32 %3)
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ret void
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}
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define dso_local swifttailcc i1 @i1test(i32, i32, i32, i32) {
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; CHECK-LABEL: i1test:
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; CHECK: jmp i1test
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entry:
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%4 = musttail call swifttailcc i1 @i1test( i32 %0, i32 %1, i32 %2, i32 %3)
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ret i1 %4
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}
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