; This test makes sure that these instructions are properly eliminated. ; ; RUN: llvm-as < %s | opt -instcombine -disable-output && ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep rem implementation int %test1(int %A) { %B = rem int %A, 1 ; ISA constant 0 ret int %B } int %test2(int %A) { ; 0 % X = 0, we don't need to preserve traps %B = rem int 0, %A ret int %B } uint %test3(uint %A) { %B = rem uint %A, 8 ; & 7 ret uint %B } bool %test3(int %A) { %B = rem int %A, -8 ; & 7 %C = setne int %B, 0 ret bool %C } uint %test4(uint %X, bool %C) { %V = select bool %C, uint 1, uint 8 %R = rem uint %X, %V ret uint %R } uint %test5(uint %X, ubyte %B) { %Amt = shl uint 32, ubyte %B %V = rem uint %X, %Amt ret uint %V } int %test6(int %A) { %B = rem int %A, 0 ;; undef ret int %B } int %test7(int %A) { %B = mul int %A, 26 %C = rem int %B, 13 ret int %C } int %test8(int %A) { %B = shl int %A, ubyte 4 %C = rem int %B, 8 ret int %C } uint %test9(uint %A) { %B = mul uint %A, 124 %C = rem uint %B, 62 ret uint %C }