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https://github.com/c64scene-ar/llvm-6502.git
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5d787bb93e
types. These tests mimic the integer test cases in the normal InstCombine test suite but use "strange" integer bit widths. Most tests written by Zhou Sheng, a few by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35284 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
531 B
LLVM
25 lines
531 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: llvm-as < %s | opt -instcombine | llvm-dis | not grep div
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implementation
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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, bool %C) {
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%V = select bool %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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