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https://github.com/c64scene-ar/llvm-6502.git
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7c65d4345e
Make use of the END. facility on all files > 1K so that we aren't wasting CPU cycles searching for RUN: lines that we'll never find. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36059 91177308-0d34-0410-b5e6-96231b3b80d8
80 lines
1.4 KiB
LLVM
80 lines
1.4 KiB
LLVM
; This test makes sure that these instructions are properly eliminated.
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;
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; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep rem
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; END.
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implementation
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int %test1(int %A) {
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%B = rem int %A, 1 ; ISA constant 0
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ret int %B
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}
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int %test2(int %A) { ; 0 % X = 0, we don't need to preserve traps
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%B = rem int 0, %A
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ret int %B
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}
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uint %test3(uint %A) {
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%B = rem uint %A, 8 ; & 7
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ret uint %B
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}
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bool %test3a(int %A) {
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%B = rem int %A, -8 ; & 7
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%C = setne int %B, 0
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ret bool %C
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}
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uint %test4(uint %X, bool %C) {
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%V = select bool %C, uint 1, uint 8
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%R = rem uint %X, %V
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ret uint %R
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}
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uint %test5(uint %X, ubyte %B) {
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%Amt = shl uint 32, ubyte %B
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%V = rem uint %X, %Amt
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ret uint %V
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}
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int %test6(int %A) {
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%B = rem int %A, 0 ;; undef
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ret int %B
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}
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int %test7(int %A) {
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%B = mul int %A, 26
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%C = rem int %B, 13
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ret int %C
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}
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int %test8(int %A) {
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%B = shl int %A, ubyte 4
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%C = rem int %B, 8
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ret int %C
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}
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uint %test9(uint %A) {
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%B = mul uint %A, 124
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%C = rem uint %B, 62
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ret uint %C
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}
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int %test10(ubyte %c) {
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%tmp.1 = cast ubyte %c to int
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%tmp.2 = mul int %tmp.1, 3
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%tmp.3 = cast int %tmp.2 to ulong
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%tmp.5 = rem ulong %tmp.3, 3
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%tmp.6 = cast ulong %tmp.5 to int
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ret int %tmp.6
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}
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int %test11(int %i) {
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%tmp.1 = and int %i, -2
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%tmp.3 = mul int %tmp.1, 3
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%tmp.5 = rem int %tmp.3, 6
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ret int %tmp.5
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}
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