24 lines
527 B
LLVM
24 lines
527 B
LLVM
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; This is a basic sanity check for constant propagation. It tests the basic
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; arithmetic operations.
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; RUN: opt < %s -sccp -S | not grep mul
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; RUN: opt < %s -sccp -S | not grep umod
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define i128 @test(i1 %B) {
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br i1 %B, label %BB1, label %BB2
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BB1:
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%t1 = add i128 0, 1
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%t2 = sub i128 0, %t1
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%t3 = mul i128 %t2, -1
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br label %BB3
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BB2:
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%f1 = udiv i128 -1, 1
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%f2 = add i128 %f1, 1
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%f3 = urem i128 %f2, 2121
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br label %BB3
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BB3:
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%Ret = phi i128 [%t3, %BB1], [%f3, %BB2]
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ret i128 %Ret
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}
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