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https://github.com/c64scene-ar/llvm-6502.git
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2b544beda3
Upgrade tests to work with new llvm.exp version of llvm_runtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36013 91177308-0d34-0410-b5e6-96231b3b80d8
136 lines
3.1 KiB
LLVM
136 lines
3.1 KiB
LLVM
; This test case tests the InstructionCombining optimization that
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; reduces things like:
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; %Y = cast sbyte %X to uint
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; %C = setlt uint %Y, 1024
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; to
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; %C = bool true
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; It includes test cases for different constant values, signedness of the
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; cast operands, and types of setCC operators. In all cases, the cast should
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; be eliminated. In many cases the setCC is also eliminated based on the
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; constant value and the range of the casted value.
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;
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; RUN: llvm-upgrade %s -o - | llvm-as | opt -instcombine | llvm-dis | \
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; RUN: notcast .*int
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implementation ; Functions:
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bool %lt_signed_to_large_unsigned(sbyte %SB) {
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%Y = cast sbyte %SB to uint ; <uint> [#uses=1]
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%C = setlt uint %Y, 1024 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %lt_signed_to_large_signed(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setlt int %Y, 1024
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ret bool %C
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}
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bool %lt_signed_to_large_negative(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setlt int %Y, -1024
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ret bool %C
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}
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bool %lt_signed_to_small_signed(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setlt int %Y, 17
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ret bool %C
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}
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bool %lt_signed_to_small_negative(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setlt int %Y, -17
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ret bool %C
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}
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bool %lt_unsigned_to_large_unsigned(ubyte %SB) {
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%Y = cast ubyte %SB to uint ; <uint> [#uses=1]
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%C = setlt uint %Y, 1024 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %lt_unsigned_to_large_signed(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setlt int %Y, 1024
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ret bool %C
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}
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bool %lt_unsigned_to_large_negative(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setlt int %Y, -1024
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ret bool %C
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}
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bool %lt_unsigned_to_small_unsigned(ubyte %SB) {
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%Y = cast ubyte %SB to uint ; <uint> [#uses=1]
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%C = setlt uint %Y, 17 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %lt_unsigned_to_small_negative(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setlt int %Y, -17
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ret bool %C
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}
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bool %gt_signed_to_large_unsigned(sbyte %SB) {
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%Y = cast sbyte %SB to uint ; <uint> [#uses=1]
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%C = setgt uint %Y, 1024 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %gt_signed_to_large_signed(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setgt int %Y, 1024
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ret bool %C
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}
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bool %gt_signed_to_large_negative(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setgt int %Y, -1024
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ret bool %C
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}
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bool %gt_signed_to_small_signed(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setgt int %Y, 17
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ret bool %C
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}
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bool %gt_signed_to_small_negative(sbyte %SB) {
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%Y = cast sbyte %SB to int
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%C = setgt int %Y, -17
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ret bool %C
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}
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bool %gt_unsigned_to_large_unsigned(ubyte %SB) {
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%Y = cast ubyte %SB to uint ; <uint> [#uses=1]
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%C = setgt uint %Y, 1024 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %gt_unsigned_to_large_signed(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setgt int %Y, 1024
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ret bool %C
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}
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bool %gt_unsigned_to_large_negative(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setgt int %Y, -1024
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ret bool %C
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}
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bool %gt_unsigned_to_small_unsigned(ubyte %SB) {
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%Y = cast ubyte %SB to uint ; <uint> [#uses=1]
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%C = setgt uint %Y, 17 ; <bool> [#uses=1]
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ret bool %C
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}
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bool %gt_unsigned_to_small_negative(ubyte %SB) {
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%Y = cast ubyte %SB to int
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%C = setgt int %Y, -17
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ret bool %C
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}
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