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5b2a735332
Instead of depending on implicit padding from the structure layout code, use a packed struct and emit the padding explicitly. Differential Revision: https://reviews.llvm.org/D49710 llvm-svn: 337961
23 lines
1.2 KiB
LLVM
23 lines
1.2 KiB
LLVM
; RUN: opt -global-merge -global-merge-max-offset=100 -S -o - %s | FileCheck %s
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target datalayout = "e-p:64:64"
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target triple = "x86_64-unknown-linux-gnu"
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; This produces align 4, not the obvious align 1, to be consistent with what
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; the AsmPrinter would do.
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; CHECK: @_MergedGlobals = private global <{ [2 x i32], [2 x i32] }> <{ [2 x i32] [i32 1, i32 1], [2 x i32] [i32 2, i32 2] }>, align 4
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; CHECK: @a = internal alias [2 x i32], getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 0)
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@a = internal global [2 x i32] [i32 1, i32 1], align 1
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; CHECK: @b = internal alias [2 x i32], getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 1)
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@b = internal global [2 x i32] [i32 2, i32 2], align 1
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define void @use() {
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; CHECK: load i32, i32* getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 0, i32 0)
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%x = load i32, i32* bitcast ([2 x i32]* @a to i32*)
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; CHECK: load i32, i32* getelementptr inbounds (<{ [2 x i32], [2 x i32] }>, <{ [2 x i32], [2 x i32] }>* @_MergedGlobals, i32 0, i32 1, i32 0)
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%y = load i32, i32* bitcast ([2 x i32]* @b to i32*)
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ret void
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}
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