llvm-6502/test/CodeGen/X86/alignment.ll
Chris Lattner e87f7bb50e Rework global alignment computation again. Now we do round up
alignment of globals to the preferred alignment, but only when
there is no section specified on the global (by far the common
case).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28 19:58:07 +00:00

43 lines
1.3 KiB
LLVM

; RUN: llc %s -o - -mtriple=x86_64-linux-gnu | FileCheck %s
; This cannot get rounded up to the preferred alignment (16) if they have an
; explicit alignment specified.
@GlobalA = global { [384 x i8] } zeroinitializer, align 8
; CHECK: .bss
; CHECK: .globl GlobalA
; CHECK: .align 16
; CHECK: GlobalA:
; CHECK: .zero 384
; Common variables should not get rounded up to the preferred alignment (16) if
; they have an explicit alignment specified.
; PR6921
@GlobalB = common global { [384 x i8] } zeroinitializer, align 8
; CHECK: .comm GlobalB,384,16
@GlobalC = common global { [384 x i8] } zeroinitializer, align 2
; CHECK: .comm GlobalC,384,16
; This cannot get rounded up to the preferred alignment (16) if they have an
; explicit alignment specified *and* a section specified.
@GlobalAS = global { [384 x i8] } zeroinitializer, align 8, section "foo"
; CHECK: .globl GlobalAS
; CHECK: .align 8
; CHECK: GlobalAS:
; CHECK: .zero 384
; Common variables should not get rounded up to the preferred alignment (16) if
; they have an explicit alignment specified and a section specified.
; PR6921
@GlobalBS = common global { [384 x i8] } zeroinitializer, align 8, section "foo"
; CHECK: .comm GlobalBS,384,8
@GlobalCS = common global { [384 x i8] } zeroinitializer, align 2, section "foo"
; CHECK: .comm GlobalCS,384,2