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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
74 lines
4.1 KiB
LLVM
74 lines
4.1 KiB
LLVM
; RUN: llc %s -mtriple=aarch64-linux-gnuabi -aarch64-enable-global-merge -o - | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64-S128"
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target triple = "arm64-apple-ios7.0.0"
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@bar = internal global [5 x i32] zeroinitializer, align 4
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@baz = internal global [5 x i32] zeroinitializer, align 4
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@foo = internal global [5 x i32] zeroinitializer, align 4
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; Function Attrs: nounwind ssp
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define internal void @initialize() #0 {
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%1 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %1, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 0), align 4
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%2 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %2, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 0), align 4
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%3 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %3, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 1), align 4
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%4 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %4, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 1), align 4
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%5 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %5, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 2), align 4
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%6 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 2), align 4
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%7 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %7, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 3), align 4
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%8 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %8, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 3), align 4
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%9 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %9, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 4), align 4
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%10 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
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store i32 %10, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 4), align 4
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ret void
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}
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declare i32 @calc(...)
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; Function Attrs: nounwind ssp
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define internal void @calculate() #0 {
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%1 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 0), align 4
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%2 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 0), align 4
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%3 = mul nsw i32 %2, %1
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store i32 %3, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 0), align 4
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%4 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 1), align 4
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%5 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 1), align 4
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%6 = mul nsw i32 %5, %4
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store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 1), align 4
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%7 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 2), align 4
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%8 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 2), align 4
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%9 = mul nsw i32 %8, %7
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store i32 %9, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 2), align 4
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%10 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 3), align 4
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%11 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 3), align 4
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%12 = mul nsw i32 %11, %10
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store i32 %12, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 3), align 4
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%13 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i64 0, i64 4), align 4
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%14 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i64 0, i64 4), align 4
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%15 = mul nsw i32 %14, %13
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store i32 %15, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 4), align 4
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ret void
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}
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; Function Attrs: nounwind readnone ssp
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define internal i32* @returnFoo() #1 {
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ret i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i64 0, i64 0)
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}
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;CHECK: .type .L_MergedGlobals,@object // @_MergedGlobals
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;CHECK: .local .L_MergedGlobals
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;CHECK: .comm .L_MergedGlobals,60,4
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attributes #0 = { nounwind ssp }
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attributes #1 = { nounwind readnone ssp }
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attributes #2 = { nounwind }
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