mirror of
https://github.com/c64scene-ar/llvm-6502.git
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cfa597569d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44318 91177308-0d34-0410-b5e6-96231b3b80d8
191 lines
4.1 KiB
LLVM
191 lines
4.1 KiB
LLVM
; This test makes sure that these instructions are properly eliminated.
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; PR1822
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; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep select
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implementation
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int %test1(int %A, int %B) {
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%C = select bool false, int %A, int %B
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ret int %C
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}
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int %test2(int %A, int %B) {
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%C = select bool true, int %A, int %B
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ret int %C
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}
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int %test3(bool %C, int %I) {
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%V = select bool %C, int %I, int %I ; V = I
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ret int %V
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}
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bool %test4(bool %C) {
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%V = select bool %C, bool true, bool false ; V = C
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ret bool %V
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}
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bool %test5(bool %C) {
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%V = select bool %C, bool false, bool true ; V = !C
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ret bool %V
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}
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int %test6(bool %C) {
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%V = select bool %C, int 1, int 0 ; V = cast C to int
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ret int %V
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}
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bool %test7(bool %C, bool %X) {
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%R = select bool %C, bool true, bool %X ; R = or C, X
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ret bool %R
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}
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bool %test8(bool %C, bool %X) {
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%R = select bool %C, bool %X, bool false ; R = and C, X
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ret bool %R
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}
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bool %test9(bool %C, bool %X) {
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%R = select bool %C, bool false, bool %X ; R = and !C, X
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ret bool %R
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}
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bool %test10(bool %C, bool %X) {
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%R = select bool %C, bool %X, bool true ; R = or !C, X
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ret bool %R
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}
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int %test11(int %a) {
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%C = seteq int %a, 0
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%R = select bool %C, int 0, int 1
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ret int %R
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}
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int %test12(bool %cond, int %a) {
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%b = or int %a, 1
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%c = select bool %cond, int %b, int %a
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ret int %c
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}
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int %test12a(bool %cond, int %a) {
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%b = shr int %a, ubyte 1
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%c = select bool %cond, int %b, int %a
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ret int %c
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}
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int %test12b(bool %cond, int %a) {
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%b = shr int %a, ubyte 1
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%c = select bool %cond, int %a, int %b
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ret int %c
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}
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int %test13(int %a, int %b) {
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%C = seteq int %a, %b
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%V = select bool %C, int %a, int %b
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ret int %V
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}
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int %test13a(int %a, int %b) {
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%C = setne int %a, %b
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%V = select bool %C, int %a, int %b
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ret int %V
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}
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int %test13b(int %a, int %b) {
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%C = seteq int %a, %b
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%V = select bool %C, int %b, int %a
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ret int %V
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}
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bool %test14a(bool %C, int %X) {
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%V = select bool %C, int %X, int 0
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%R = setlt int %V, 1 ; (X < 1) | !C
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ret bool %R
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}
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bool %test14b(bool %C, int %X) {
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%V = select bool %C, int 0, int %X
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%R = setlt int %V, 1 ; (X < 1) | C
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ret bool %R
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}
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int %test15a(int %X) { ;; Code sequence for (X & 16) ? 16 : 0
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%t1 = and int %X, 16
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%t2 = seteq int %t1, 0
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%t3 = select bool %t2, int 0, int 16 ;; X & 16
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ret int %t3
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}
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int %test15b(int %X) { ;; Code sequence for (X & 32) ? 0 : 24
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%t1 = and int %X, 32
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%t2 = seteq int %t1, 0
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%t3 = select bool %t2, int 32, int 0 ;; ~X & 32
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ret int %t3
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}
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int %test15c(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
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%t1 = and int %X, 16
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%t2 = seteq int %t1, 16
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%t3 = select bool %t2, int 16, int 0 ;; X & 16
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ret int %t3
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}
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int %test15d(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
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%t1 = and int %X, 16
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%t2 = setne int %t1, 0
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%t3 = select bool %t2, int 16, int 0 ;; X & 16
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ret int %t3
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}
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int %test16(bool %C, int* %P) {
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%P2 = select bool %C, int* %P, int* null
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%V = load int* %P2
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ret int %V
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}
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bool %test17(int* %X, bool %C) {
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%R = select bool %C, int* %X, int* null
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%RV = seteq int* %R, null
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ret bool %RV
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}
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int %test18(int %X, int %Y, bool %C) {
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%R = select bool %C, int %X, int 0
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%V = div int %Y, %R ; div Y,X
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ret int %V
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}
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int %test19(uint %x) {
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%tmp = setgt uint %x, 2147483647
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%retval = select bool %tmp, int -1, int 0
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ret int %retval
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}
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int %test20(int %x) {
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%tmp = setlt int %x, 0
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%retval = select bool %tmp, int -1, int 0
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ret int %retval
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}
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long %test21(int %x) {
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%tmp = setlt int %x, 0
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%retval = select bool %tmp, long -1, long 0
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ret long %retval
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}
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short %test22(int %x) {
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%tmp = setlt int %x, 0
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%retval = select bool %tmp, short -1, short 0
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ret short %retval
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}
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bool %test23(bool %a, bool %b) {
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%c = select bool %a, bool %b, bool %a
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ret bool %c
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}
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bool %test24(bool %a, bool %b) {
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%c = select bool %a, bool %a, bool %b
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ret bool %c
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}
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