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https://github.com/c64scene-ar/llvm-6502.git
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2faa5d2328
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148451 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
814 B
LLVM
41 lines
814 B
LLVM
; RUN: llc -disable-tail-calls < %s | FileCheck --check-prefix=CALL %s
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; RUN: llc < %s | FileCheck --check-prefix=JMP %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @helper() nounwind {
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entry:
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ret i32 7
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}
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define i32 @test1() nounwind {
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entry:
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%call = tail call i32 @helper()
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ret i32 %call
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}
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; CALL: test1:
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; CALL-NOT: ret
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; CALL: callq helper
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; CALL: ret
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; JMP: test1:
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; JMP-NOT: ret
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; JMP: jmp helper # TAILCALL
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define i32 @test2() nounwind {
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entry:
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%call = tail call i32 @test2()
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ret i32 %call
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}
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; CALL: test2:
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; CALL-NOT: ret
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; CALL: callq test2
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; CALL: ret
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; JMP: test2:
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; JMP-NOT: ret
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; JMP: jmp test2 # TAILCALL
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