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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
21 lines
627 B
LLVM
21 lines
627 B
LLVM
; RUN: llvm-as < %s | llc | grep {movl\[\[:space:\]\]*8(%esp), %eax} | count 2
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; PR3122
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; rdar://6400815
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; byval requires a copy, even with fastcc.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin9.5"
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%struct.MVT = type { i32 }
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define fastcc i32 @bar() nounwind {
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%V = alloca %struct.MVT
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%a = getelementptr %struct.MVT* %V, i32 0, i32 0
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store i32 1, i32* %a
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call fastcc void @foo(%struct.MVT* byval %V) nounwind
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%t = load i32* %a
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ret i32 %t
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}
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declare fastcc void @foo(%struct.MVT* byval)
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