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https://github.com/c64scene-ar/llvm-6502.git
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d3b1f6d3e0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36091 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
466 B
LLVM
17 lines
466 B
LLVM
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | \
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; RUN: 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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