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7b219abac0
Summary: Make sure that any new and optimized objects created during GlobalOPT copy all the attributes from the base object. A good example of improper behavior in the current implementation is section information associated with the GlobalObject. If a section was set for it, and GlobalOpt is creating/modifying a new object based on this one (often copying the original name), without this change new object will be placed in a default section, resulting in inappropriate properties of the new variable. The argument here is that if customer specified a section for a variable, any changes to it that compiler does should not cause it to change that section allocation. Moreover, any other properties worth representation in copyAttributesFrom() should also be propagated. Reviewers: jmolloy, joker-eph, joker.eph Subscribers: slarin, joker.eph, rafael, tobiasvk, llvm-commits Differential Revision: http://reviews.llvm.org/D16074 llvm-svn: 258556
29 lines
891 B
LLVM
29 lines
891 B
LLVM
; RUN: opt -globalopt -S < %s | FileCheck %s
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; CHECK: @Y.f0
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; CHECK: section ".foo"
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; CHECK: @Y.f1
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; CHECK: section ".foo"
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%struct.xyz = type { double, i32 }
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@Y = internal global %struct.xyz* null ,section ".foo" ; <%struct.xyz**> [#uses=2]
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@numf2s = external global i32 ; <i32*> [#uses=1]
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define void @init_net() {
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entry:
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%0 = load i32, i32* @numf2s, align 4 ; <i32> [#uses=1]
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%mallocsize2 = shl i32 %0, 4 ; <i32> [#uses=1]
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%malloccall3 = tail call i8* @malloc(i32 %mallocsize2) ; <i8*> [#uses=1]
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%1 = bitcast i8* %malloccall3 to %struct.xyz* ; <%struct.xyz*> [#uses=1]
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store %struct.xyz* %1, %struct.xyz** @Y, align 8
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ret void
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}
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define void @load_train() {
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entry:
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%0 = load %struct.xyz*, %struct.xyz** @Y, align 8 ; <%struct.xyz*> [#uses=0]
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ret void
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}
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declare noalias i8* @malloc(i32)
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