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https://github.com/c64scene-ar/llvm-6502.git
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51e4a66417
Try harder to get rid of bitcast'd calls by ptrtoint/inttoptr'ing arguments and return values when DataLayout says it is safe to do so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225254 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
626 B
LLVM
24 lines
626 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:32:32"
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target triple = "i686-pc-linux-gnu"
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define i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK: %[[call:.*]] = call i7* @ctime(i999* null)
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; CHECK: %[[cast:.*]] = ptrtoint i7* %[[call]] to i32
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; CHECK: ret i32 %[[cast]]
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entry:
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%tmp = call i32 bitcast (i7* (i999*)* @ctime to i32 (i99*)*)( i99* null )
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ret i32 %tmp
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}
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define i7* @ctime(i999*) {
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; CHECK-LABEL: define i7* @ctime(
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; CHECK: %[[call:.*]] = call i32 @main()
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; CHECK: %[[cast:.*]] = inttoptr i32 %[[call]] to i7*
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entry:
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%tmp = call i7* bitcast (i32 ()* @main to i7* ()*)( )
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ret i7* %tmp
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}
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