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https://github.com/c64scene-ar/llvm-6502.git
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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; RUN: llc < %s
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define void @test_add(i64 %AL, i64 %AH, i64 %BL, i64 %BH, i64* %RL, i64* %RH) {
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entry:
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%tmp1 = zext i64 %AL to i128 ; <i128> [#uses=1]
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%tmp23 = zext i64 %AH to i128 ; <i128> [#uses=1]
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%tmp4 = shl i128 %tmp23, 64 ; <i128> [#uses=1]
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%tmp5 = or i128 %tmp4, %tmp1 ; <i128> [#uses=1]
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%tmp67 = zext i64 %BL to i128 ; <i128> [#uses=1]
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%tmp89 = zext i64 %BH to i128 ; <i128> [#uses=1]
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%tmp11 = shl i128 %tmp89, 64 ; <i128> [#uses=1]
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%tmp12 = or i128 %tmp11, %tmp67 ; <i128> [#uses=1]
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%tmp15 = add i128 %tmp12, %tmp5 ; <i128> [#uses=2]
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%tmp1617 = trunc i128 %tmp15 to i64 ; <i64> [#uses=1]
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store i64 %tmp1617, i64* %RL
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%tmp21 = lshr i128 %tmp15, 64 ; <i128> [#uses=1]
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%tmp2122 = trunc i128 %tmp21 to i64 ; <i64> [#uses=1]
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store i64 %tmp2122, i64* %RH
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ret void
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}
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define void @test_sub(i64 %AL, i64 %AH, i64 %BL, i64 %BH, i64* %RL, i64* %RH) {
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entry:
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%tmp1 = zext i64 %AL to i128 ; <i128> [#uses=1]
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%tmp23 = zext i64 %AH to i128 ; <i128> [#uses=1]
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%tmp4 = shl i128 %tmp23, 64 ; <i128> [#uses=1]
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%tmp5 = or i128 %tmp4, %tmp1 ; <i128> [#uses=1]
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%tmp67 = zext i64 %BL to i128 ; <i128> [#uses=1]
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%tmp89 = zext i64 %BH to i128 ; <i128> [#uses=1]
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%tmp11 = shl i128 %tmp89, 64 ; <i128> [#uses=1]
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%tmp12 = or i128 %tmp11, %tmp67 ; <i128> [#uses=1]
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%tmp15 = sub i128 %tmp5, %tmp12 ; <i128> [#uses=2]
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%tmp1617 = trunc i128 %tmp15 to i64 ; <i64> [#uses=1]
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store i64 %tmp1617, i64* %RL
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%tmp21 = lshr i128 %tmp15, 64 ; <i128> [#uses=1]
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%tmp2122 = trunc i128 %tmp21 to i64 ; <i64> [#uses=1]
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store i64 %tmp2122, i64* %RH
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ret void
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}
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