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https://github.com/c64scene-ar/llvm-6502.git
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c7d855ea2e
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26420 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.1 KiB
LLVM
56 lines
1.1 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=ppc32 &&
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; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'extsh\|rlwinm'
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declare short %foo()
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int %test1(short %X) {
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%Y = cast short %X to int ;; dead
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ret int %Y
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}
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int %test2(ushort %X) {
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%Y = cast ushort %X to int
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%Z = and int %Y, 65535 ;; dead
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ret int %Z
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}
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void %test3() {
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%tmp.0 = call short %foo() ;; no extsh!
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%tmp.1 = setlt short %tmp.0, 1234
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br bool %tmp.1, label %then, label %UnifiedReturnBlock
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then:
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call int %test1(short 0)
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ret void
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UnifiedReturnBlock:
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ret void
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}
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uint %test4(ushort* %P) {
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%tmp.1 = load ushort* %P
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%tmp.2 = cast ushort %tmp.1 to uint
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%tmp.3 = and uint %tmp.2, 255
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ret uint %tmp.3
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}
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uint %test5(short* %P) {
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%tmp.1 = load short* %P
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%tmp.2 = cast short %tmp.1 to ushort
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%tmp.3 = cast ushort %tmp.2 to uint
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%tmp.4 = and uint %tmp.3, 255
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ret uint %tmp.4
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}
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uint %test6(uint* %P) {
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%tmp.1 = load uint* %P
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%tmp.2 = and uint %tmp.1, 255
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ret uint %tmp.2
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}
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ushort %test7(float %a) {
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%tmp.1 = cast float %a to ushort
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ret ushort %tmp.1
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}
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