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https://github.com/c64scene-ar/llvm-6502.git
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08af6fd5fc
Convert to use the new Tcl expr based test harness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36061 91177308-0d34-0410-b5e6-96231b3b80d8
137 lines
2.8 KiB
LLVM
137 lines
2.8 KiB
LLVM
; RUN: llvm-upgrade < %s | llvm-as | opt -cee -constprop -instcombine -dce | \
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; RUN: llvm-dis | not grep REMOVE
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int %test1(int %A) {
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%cond = seteq int %A, 40
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br bool %cond, label %T, label %F
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T:
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%REMOVE = add int %A, 2 ; Should become = 42
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ret int %REMOVE
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F:
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ret int 8
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}
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bool %test2(int %A) {
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%cond = seteq int %A, 40
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br bool %cond, label %T, label %F
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T:
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%REMOVE = seteq int %A, 2 ; Should become = false
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ret bool %REMOVE
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F:
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ret bool false
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}
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bool %test3(int %A) {
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%cond = setlt int %A, 40
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br bool %cond, label %T, label %F
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T:
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%REMOVE = setgt int %A, 47 ; Should become = false
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ret bool %REMOVE
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F:
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%REMOVE2 = setge int %A, 40 ; Should become = true
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ret bool %REMOVE2
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}
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bool %test4(int %A) {
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%cond = setlt int %A, 40
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br bool %cond, label %T, label %F
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T:
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%REMOVE = setgt int %A, 47 ; Should become = false
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ret bool %REMOVE
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F:
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ret bool false
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}
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int %test5(int %A, int %B) {
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%cond = setne int %A, %B
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br bool %cond, label %F, label %T
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T:
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%C = sub int %A, %B ; = 0
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ret int %C
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F:
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ret int 0
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}
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bool %test6(int %A) {
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%REMOVE = setlt int %A, 47 ; Should become dead
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%cond = setlt int %A, 40
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br bool %cond, label %T, label %F
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T:
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ret bool %REMOVE ;; == true
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F:
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ret bool false
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}
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bool %test7(int %A) {
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%cond = setlt int %A, 40
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br bool %cond, label %T, label %F
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T:
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%REMOVE = xor bool %cond, true
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ret bool %REMOVE
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F:
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ret bool false
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}
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; Test that and expressions are handled...
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bool %test8(int %A, int %B) {
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%cond1 = setle int %A, 7
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%cond2 = setle int %B, 7
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%cond = and bool %cond1, %cond2
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br bool %cond, label %T, label %F
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T:
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%REMOVE1 = seteq int %A, 9 ; false
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%REMOVE2 = setge int %B, 9 ; false
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%REMOVE = or bool %REMOVE1, %REMOVE2 ; false
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ret bool %REMOVE
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F:
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ret bool false
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}
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; Test that or expressions are handled...
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bool %test9(int %A, int %B) {
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%cond1 = setle int %A, 7
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%cond2 = setle int %B, 7
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%cond = or bool %cond1, %cond2
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br bool %cond, label %T, label %F
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T:
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ret bool false
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F:
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%REMOVE1 = setge int %A, 8 ; true
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%REMOVE2 = setge int %B, 8 ; true
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%REMOVE = or bool %REMOVE1, %REMOVE2 ; true
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ret bool %REMOVE
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}
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bool %test10(int %A) {
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%cond = setle int %A, 7
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br bool %cond, label %T, label %F
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T:
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ret bool false
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F:
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%REMOVE = setge int %A, 8
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ret bool %REMOVE
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}
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; Implement correlated comparisons against non-constants
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bool %test11(int %A, int %B) {
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%cond = setlt int %A, %B
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br bool %cond, label %T, label %F
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T:
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%REMOVE1 = seteq int %A, %B ; false
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%REMOVE2 = setle int %A, %B ; true
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%cond2 = and bool %REMOVE1, %REMOVE2
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ret bool %cond2
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F:
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ret bool true
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}
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bool %test12(int %A) {
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%cond = setlt int %A, 0
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br bool %cond, label %T, label %F
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T:
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%REMOVE = setne int %A, 0 ; true
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ret bool %REMOVE
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F:
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ret bool false
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}
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