27 lines
746 B
LLVM
27 lines
746 B
LLVM
; RUN: llc < %s -mtriple=i386-pc-unknown-linux-gnu -relocation-model=pic | FileCheck %s
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@a0 = global i32 0, align 4
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define x86_regcallcc void @tail_call_regcall(i32 %a) nounwind {
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tail call x86_regcallcc void @__regcall3__func(i32 %a) nounwind
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ret void
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}
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define internal x86_regcallcc void @__regcall3__func(i32 %i1) {
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entry:
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store i32 %i1, i32* @a0, align 4
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ret void
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}
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;CHECK-LABLE: tail_call_regcall:
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;CHECK: # %bb.0:
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;CHECK-NEXT: jmp __regcall3__func # TAILCALL
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;CHECK-NEXT: .Lfunc_end0:
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;CHECK-LABLE: __regcall3__func:
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;CHECK: addl $_GLOBAL_OFFSET_TABLE_+({{.*}}), %ecx
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;CHECK-NEXT: movl a0@GOT(%ecx), %ecx
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;CHECK-NEXT: movl %eax, (%ecx)
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;CHECK-NEXT: retl
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;CHECK-NEXT: .Lfunc_end1:
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