forked from OSchip/llvm-project
93 lines
2.7 KiB
LLVM
93 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s -check-prefix=X64
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s -check-prefix=X32
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; tailcc will turn all of these musttail calls into tail calls.
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declare tailcc i32 @tailcallee(i32 %a1, i32 %a2)
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define tailcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
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; X64-LABEL: tailcaller:
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; X64: # %bb.0: # %entry
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; X64-NEXT: jmp tailcallee # TAILCALL
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;
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; X32-LABEL: tailcaller:
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; X32: # %bb.0: # %entry
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; X32-NEXT: jmp tailcallee # TAILCALL
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entry:
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%tmp11 = musttail call tailcc i32 @tailcallee(i32 %in1, i32 %in2)
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ret i32 %tmp11
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}
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declare tailcc i8* @alias_callee()
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define tailcc noalias i8* @noalias_caller() nounwind {
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; X64-LABEL: noalias_caller:
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; X64: # %bb.0:
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; X64-NEXT: jmp alias_callee # TAILCALL
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;
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; X32-LABEL: noalias_caller:
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; X32: # %bb.0:
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; X32-NEXT: jmp alias_callee # TAILCALL
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%p = musttail call tailcc i8* @alias_callee()
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ret i8* %p
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}
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declare tailcc noalias i8* @noalias_callee()
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define tailcc i8* @alias_caller() nounwind {
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; X64-LABEL: alias_caller:
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; X64: # %bb.0:
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; X64-NEXT: jmp noalias_callee # TAILCALL
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;
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; X32-LABEL: alias_caller:
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; X32: # %bb.0:
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; X32-NEXT: jmp noalias_callee # TAILCALL
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%p = musttail call tailcc noalias i8* @noalias_callee()
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ret i8* %p
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}
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define tailcc void @void_test(i32, i32, i32, i32) {
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; X64-LABEL: void_test:
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; X64: # %bb.0: # %entry
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; X64-NEXT: jmp void_test # TAILCALL
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;
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; X32-LABEL: void_test:
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; X32: # %bb.0: # %entry
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; X32-NEXT: pushl %esi
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; X32-NEXT: .cfi_def_cfa_offset 8
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; X32-NEXT: .cfi_offset %esi, -8
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: movl %esi, {{[0-9]+}}(%esp)
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; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
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; X32-NEXT: popl %esi
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; X32-NEXT: .cfi_def_cfa_offset 4
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; X32-NEXT: jmp void_test # TAILCALL
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entry:
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musttail call tailcc 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 tailcc i1 @i1test(i32, i32, i32, i32) {
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; X64-LABEL: i1test:
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; X64: # %bb.0: # %entry
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; X64-NEXT: jmp i1test # TAILCALL
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;
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; X32-LABEL: i1test:
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; X32: # %bb.0: # %entry
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; X32-NEXT: pushl %esi
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; X32-NEXT: .cfi_def_cfa_offset 8
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; X32-NEXT: .cfi_offset %esi, -8
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: movl %esi, {{[0-9]+}}(%esp)
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; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
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; X32-NEXT: popl %esi
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; X32-NEXT: .cfi_def_cfa_offset 4
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; X32-NEXT: jmp i1test # TAILCALL
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entry:
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%4 = musttail call tailcc 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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