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c6f729ed55
variables to specified absolute address. Make use of this feature for MSP430. This unbreaks PR4776. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82227 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
886 B
LLVM
23 lines
886 B
LLVM
; RUN: llc < %s | grep 0x0021 | count 2
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; PR4776
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target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
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target triple = "msp430-unknown-unknown"
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@"\010x0021" = common global i8 0, align 1 ; <i8*> [#uses=2]
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define zeroext i8 @foo(i8 zeroext %x) nounwind {
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entry:
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%retval = alloca i8 ; <i8*> [#uses=2]
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%x.addr = alloca i8 ; <i8*> [#uses=2]
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%tmp = alloca i8, align 1 ; <i8*> [#uses=2]
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store i8 %x, i8* %x.addr
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%tmp1 = volatile load i8* @"\010x0021" ; <i8> [#uses=1]
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store i8 %tmp1, i8* %tmp
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%tmp2 = load i8* %x.addr ; <i8> [#uses=1]
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volatile store i8 %tmp2, i8* @"\010x0021"
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%tmp3 = load i8* %tmp ; <i8> [#uses=1]
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store i8 %tmp3, i8* %retval
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%0 = load i8* %retval ; <i8> [#uses=1]
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ret i8 %0
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}
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