forked from OSchip/llvm-project
17 lines
590 B
LLVM
17 lines
590 B
LLVM
; A store or load cannot alias a global if the accessed amount is larger then
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; the global.
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; RUN: opt < %s -basicaa -gvn -instcombine -S | not grep load
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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@B = global i16 8 ; <i16*> [#uses=2]
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define i16 @test(i32* %P) {
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%X = load i16* @B ; <i16> [#uses=1]
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store i32 7, i32* %P
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%Y = load i16* @B ; <i16> [#uses=1]
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%Z = sub i16 %Y, %X ; <i16> [#uses=1]
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ret i16 %Z
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}
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