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52b8b5982f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25472 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
442 B
LLVM
16 lines
442 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 | grep 'shld' | wc -l | grep 1
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;
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; Check that the isel does not fold the shld, which already folds a load
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; and has two uses, into a store.
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%A = external global uint
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uint %test5(uint %B, ubyte %C) {
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%tmp.1 = load uint *%A;
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%tmp.2 = shl uint %tmp.1, ubyte %C
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%tmp.3 = sub ubyte 32, %C
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%tmp.4 = shr uint %B, ubyte %tmp.3
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%tmp.5 = or uint %tmp.4, %tmp.2
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store uint %tmp.5, uint* %A
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ret uint %tmp.5
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}
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