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0430bb0872
If no alignment is set, the abi/preferred alignment of structs will be used which may be higher than required. This can lead to extra padding and in the end an increase in data size. Differential Revision: https://reviews.llvm.org/D47633 llvm-svn: 334099
25 lines
718 B
LLVM
25 lines
718 B
LLVM
; RUN: llc < %s -arm-global-merge -data-sections | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7em-arm-none-eabi"
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@f = local_unnamed_addr global [4 x i32*] zeroinitializer, align 4
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@d = local_unnamed_addr global i64 0, align 8
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;CHECK: .section .bss..L_MergedGlobals,"aw",%nobits
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;CHECK-NEXT: .p2align 3
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;CHECK-NEXT: .L_MergedGlobals:
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;CHECK-NEXT: .zero 24
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;CHECK-NEXT: .size .L_MergedGlobals, 24
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define i32 @func_1() {
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%1 = load i64, i64* @d, align 8
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%2 = load i32*, i32** getelementptr inbounds ([4 x i32*], [4 x i32*]* @f, i32 0, i32 0), align 4
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%3 = load i32, i32* %2, align 4
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%4 = trunc i64 %1 to i32
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%5 = add i32 %3, %4
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ret i32 %5
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}
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