373 lines
17 KiB
LLVM
373 lines
17 KiB
LLVM
; This test makes sure that these instructions are properly eliminated.
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;
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; RUN: opt < %s -instcombine -S | \
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; RUN: not grep {tobool}
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; END.
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define i32 @main(i32 %argc, i8** %argv) nounwind ssp {
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entry:
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%and = and i32 %argc, 1 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%retval.0 = select i1 %or.cond, i32 2, i32 1 ; <i32> [#uses=1]
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ret i32 %retval.0
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}
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define i32 @main2(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 1 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; tests to check combining (icmp eq (A & B), C) & (icmp eq (A & D), E)
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; tests to check if (icmp eq (A & B), 0) is treated like (icmp eq (A & B), B)
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; if B is a single bit constant
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; (icmp eq (A & B), 0) & (icmp eq (A & D), 0) -> (icmp eq (A & (B|D)), 0)
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define i32 @main3(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main3b(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 16 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main3e_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp ne (A & B), 0) | (icmp ne (A & D), 0) -> (icmp ne (A & (B|D)), 0)
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define i32 @main3c(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main3d(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 16 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main3f_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp eq (A & B), B) & (icmp eq (A & D), D) -> (icmp eq (A & (B|D)), (B|D))
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define i32 @main4(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 48 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main4b(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main4e_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, %argc2 ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, %argc3 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp ne (A & B), B) | (icmp ne (A & D), D) -> (icmp ne (A & (B|D)), (B|D))
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define i32 @main4c(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 48 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main4d(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main4f_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, %argc2 ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, %argc3 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp eq (A & B), A) & (icmp eq (A & D), A) -> (icmp eq (A & (B&D)), A)
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define i32 @main5_like(i32 %argc, i32 %argc2, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc2, 7 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 7 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main5e_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, %argc ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, %argc ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp ne (A & B), A) | (icmp ne (A & D), A) -> (icmp ne (A & (B&D)), A)
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define i32 @main5c_like(i32 %argc, i32 %argc2, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 7 ; <i1> [#uses=1]
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%and2 = and i32 %argc2, 7 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 7 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main5f_like(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, %argc ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, %argc ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp eq (A & B), C) & (icmp eq (A & D), E) -> (icmp eq (A & (B|D)), (C|E))
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; if B, C, D, E are constant, and it's possible
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define i32 @main6(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 3 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 16 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main6b(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 3 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (icmp ne (A & B), C) | (icmp ne (A & D), E) -> (icmp ne (A & (B|D)), (C|E))
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; if B, C, D, E are constant, and it's possible
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define i32 @main6c(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 3 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 48 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 16 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @main6d(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 7 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 3 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 16 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; test parameter permutations
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; (B & A) == B & (D & A) == D
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define i32 @main7a(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and1 = and i32 %argc2, %argc ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and1, %argc2 ; <i1> [#uses=1]
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%and2 = and i32 %argc3, %argc ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, %argc3 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; B == (A & B) & D == (A & D)
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define i32 @main7b(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and1 = and i32 %argc, %argc2 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %argc2, %and1 ; <i1> [#uses=1]
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%and2 = and i32 %argc, %argc3 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %argc3, %and2 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; B == (B & A) & D == (D & A)
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define i32 @main7c(i32 %argc, i32 %argc2, i32 %argc3, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%and1 = and i32 %argc2, %argc ; <i32> [#uses=1]
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%tobool = icmp eq i32 %argc2, %and1 ; <i1> [#uses=1]
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%and2 = and i32 %argc3, %argc ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %argc3, %and2 ; <i1> [#uses=1]
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%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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; (A & (B & C)) == (B & C) & (A & (D & E)) == (D & E)
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define i32 @main7d(i32 %argc, i32 %argc2, i32 %argc3,
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i32 %argc4, i32 %argc5, i8** nocapture %argv)
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nounwind readnone ssp {
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entry:
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%bc = and i32 %argc2, %argc4 ; <i32> [#uses=1]
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%de = and i32 %argc3, %argc5 ; <i32> [#uses=1]
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%and1 = and i32 %argc, %bc ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and1, %bc ; <i1> [#uses=1]
|
|
%and2 = and i32 %argc, %de ; <i32> [#uses=1]
|
|
%tobool3 = icmp eq i32 %and2, %de ; <i1> [#uses=1]
|
|
%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
|
|
%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
|
|
ret i32 %storemerge
|
|
}
|
|
|
|
; ((B & C) & A) == (B & C) & ((D & E) & A) == (D & E)
|
|
define i32 @main7e(i32 %argc, i32 %argc2, i32 %argc3,
|
|
i32 %argc4, i32 %argc5, i8** nocapture %argv)
|
|
nounwind readnone ssp {
|
|
entry:
|
|
%bc = and i32 %argc2, %argc4 ; <i32> [#uses=1]
|
|
%de = and i32 %argc3, %argc5 ; <i32> [#uses=1]
|
|
%and1 = and i32 %bc, %argc ; <i32> [#uses=1]
|
|
%tobool = icmp eq i32 %and1, %bc ; <i1> [#uses=1]
|
|
%and2 = and i32 %de, %argc ; <i32> [#uses=1]
|
|
%tobool3 = icmp eq i32 %and2, %de ; <i1> [#uses=1]
|
|
%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
|
|
%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
|
|
ret i32 %storemerge
|
|
}
|
|
|
|
; (B & C) == (A & (B & C)) & (D & E) == (A & (D & E))
|
|
define i32 @main7f(i32 %argc, i32 %argc2, i32 %argc3,
|
|
i32 %argc4, i32 %argc5, i8** nocapture %argv)
|
|
nounwind readnone ssp {
|
|
entry:
|
|
%bc = and i32 %argc2, %argc4 ; <i32> [#uses=1]
|
|
%de = and i32 %argc3, %argc5 ; <i32> [#uses=1]
|
|
%and1 = and i32 %argc, %bc ; <i32> [#uses=1]
|
|
%tobool = icmp eq i32 %bc, %and1 ; <i1> [#uses=1]
|
|
%and2 = and i32 %argc, %de ; <i32> [#uses=1]
|
|
%tobool3 = icmp eq i32 %de, %and2 ; <i1> [#uses=1]
|
|
%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
|
|
%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
|
|
ret i32 %storemerge
|
|
}
|
|
|
|
; (B & C) == ((B & C) & A) & (D & E) == ((D & E) & A)
|
|
define i32 @main7g(i32 %argc, i32 %argc2, i32 %argc3,
|
|
i32 %argc4, i32 %argc5, i8** nocapture %argv)
|
|
nounwind readnone ssp {
|
|
entry:
|
|
%bc = and i32 %argc2, %argc4 ; <i32> [#uses=1]
|
|
%de = and i32 %argc3, %argc5 ; <i32> [#uses=1]
|
|
%and1 = and i32 %bc, %argc ; <i32> [#uses=1]
|
|
%tobool = icmp eq i32 %bc, %and1 ; <i1> [#uses=1]
|
|
%and2 = and i32 %de, %argc ; <i32> [#uses=1]
|
|
%tobool3 = icmp eq i32 %de, %and2 ; <i1> [#uses=1]
|
|
%and.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
|
|
%storemerge = select i1 %and.cond, i32 0, i32 1 ; <i32> [#uses=1]
|
|
ret i32 %storemerge
|
|
}
|