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https://github.com/c64scene-ar/llvm-6502.git
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e4300e271a
delegates to the regular x86-32 convention which handles byval, but only after it handles a few cases, and it's necessary to handle byval before handling those cases. This fixes PR3122 (and rdar://6400815), llvm-gcc miscompiling LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60453 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
694 B
LLVM
19 lines
694 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 -tailcallopt | grep TAILCALL
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; RUN: llvm-as < %s | llc -march=x86 -tailcallopt | grep {movl\[\[:space:\]\]*4(%esp), %eax} | count 1
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%struct.s = type {i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32,
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i32, i32, i32, i32, i32, i32, i32, i32 }
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define fastcc i32 @tailcallee(%struct.s* byval %a) nounwind {
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entry:
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%tmp2 = getelementptr %struct.s* %a, i32 0, i32 0
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%tmp3 = load i32* %tmp2
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ret i32 %tmp3
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}
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define fastcc i32 @tailcaller(%struct.s* byval %a) nounwind {
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entry:
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%tmp4 = tail call fastcc i32 @tailcallee(%struct.s* %a byval)
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ret i32 %tmp4
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}
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