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23 lines
493 B
LLVM
23 lines
493 B
LLVM
; This test makes sure that div instructions are properly eliminated.
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; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0.
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;
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; RUN: opt < %s -instcombine -S | not grep div
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define i33 @test1(i33 %X) {
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%Y = udiv i33 %X, 4096
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ret i33 %Y
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}
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define i49 @test2(i49 %X) {
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%tmp.0 = shl i49 4096, 17
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%Y = udiv i49 %X, %tmp.0
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ret i49 %Y
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}
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define i59 @test3(i59 %X, i1 %C) {
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%V = select i1 %C, i59 1024, i59 4096
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%R = udiv i59 %X, %V
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ret i59 %R
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}
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