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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
// #target: macos-x64
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module foo;
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import std::math;
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fn int x(char[<8>] a, char[<8>] b)
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{
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bool[<8>] z = a.comp_eq(b);
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return (char[<8>] { [0..7] = 255 } & (char[<8>])z + ~(char[<8>])z & char[<8>] { 0, 1, 2, 3, 4, 5, 6, 7 }).min();
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}
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/* #expect: foo.ll
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define i32 @foo.x(double %0, double %1) #0 {
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entry:
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%a = alloca <8 x i8>, align 8
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%b = alloca <8 x i8>, align 8
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%z = alloca <8 x i8>, align 8
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%x = alloca <8 x i8>, align 1
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%y = alloca <8 x i8>, align 1
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store double %0, ptr %a, align 8
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store double %1, ptr %b, align 8
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%2 = load <8 x i8>, ptr %a, align 8
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store <8 x i8> %2, ptr %x, align 1
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%3 = load <8 x i8>, ptr %b, align 8
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store <8 x i8> %3, ptr %y, align 1
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%4 = load <8 x i8>, ptr %x, align 1
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%5 = load <8 x i8>, ptr %y, align 1
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%eq = icmp eq <8 x i8> %4, %5
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%6 = sext <8 x i1> %eq to <8 x i8>
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store <8 x i8> %6, ptr %z, align 8
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%7 = load <8 x i8>, ptr %z, align 8
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%8 = trunc <8 x i8> %7 to <8 x i1>
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%9 = sext <8 x i1> %8 to <8 x i8>
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%and = and <8 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, %9
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%10 = load <8 x i8>, ptr %z, align 8
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%11 = trunc <8 x i8> %10 to <8 x i1>
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%12 = sext <8 x i1> %11 to <8 x i8>
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%bnot = xor <8 x i8> %12, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
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%and1 = and <8 x i8> %bnot, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>
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%add = add <8 x i8> %and, %and1
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%13 = call i8 @llvm.vector.reduce.umin.v8i8(<8 x i8> %add)
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%zext = zext i8 %13 to i32
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ret i32 %zext
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}
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