; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" define i32 @test1(i32 %A) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: ret i32 %A ; %B = or i32 %A, 0 ret i32 %B } define i32 @test2(i32 %A) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: ret i32 -1 ; %B = or i32 %A, -1 ret i32 %B } define i8 @test2a(i8 %A) { ; CHECK-LABEL: @test2a( ; CHECK-NEXT: ret i8 -1 ; %B = or i8 %A, -1 ret i8 %B } define i1 @test3(i1 %A) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: ret i1 %A ; %B = or i1 %A, false ret i1 %B } define i1 @test4(i1 %A) { ; CHECK-LABEL: @test4( ; CHECK-NEXT: ret i1 true ; %B = or i1 %A, true ret i1 %B } define i1 @test5(i1 %A) { ; CHECK-LABEL: @test5( ; CHECK-NEXT: ret i1 %A ; %B = or i1 %A, %A ret i1 %B } define i32 @test6(i32 %A) { ; CHECK-LABEL: @test6( ; CHECK-NEXT: ret i32 %A ; %B = or i32 %A, %A ret i32 %B } ; A | ~A == -1 define i32 @test7(i32 %A) { ; CHECK-LABEL: @test7( ; CHECK-NEXT: ret i32 -1 ; %NotA = xor i32 -1, %A %B = or i32 %A, %NotA ret i32 %B } define i8 @test8(i8 %A) { ; CHECK-LABEL: @test8( ; CHECK-NEXT: ret i8 -1 ; %B = or i8 %A, -2 %C = or i8 %B, 1 ret i8 %C } ; Test that (A|c1)|(B|c2) == (A|B)|(c1|c2) define i8 @test9(i8 %A, i8 %B) { ; CHECK-LABEL: @test9( ; CHECK-NEXT: ret i8 -1 ; %C = or i8 %A, 1 %D = or i8 %B, -2 %E = or i8 %C, %D ret i8 %E } define i8 @test10(i8 %A) { ; CHECK-LABEL: @test10( ; CHECK-NEXT: ret i8 -2 ; %B = or i8 %A, 1 %C = and i8 %B, -2 ; (X & C1) | C2 --> (X | C2) & (C1|C2) %D = or i8 %C, -2 ret i8 %D } define i8 @test11(i8 %A) { ; CHECK-LABEL: @test11( ; CHECK-NEXT: ret i8 -1 ; %B = or i8 %A, -2 %C = xor i8 %B, 13 ; (X ^ C1) | C2 --> (X | C2) ^ (C1&~C2) %D = or i8 %C, 1 %E = xor i8 %D, 12 ret i8 %E } define i32 @test12(i32 %A) { ; Should be eliminated ; CHECK-LABEL: @test12( ; CHECK-NEXT: [[C:%.*]] = and i32 %A, 8 ; CHECK-NEXT: ret i32 [[C]] ; %B = or i32 %A, 4 %C = and i32 %B, 8 ret i32 %C } define i32 @test13(i32 %A) { ; CHECK-LABEL: @test13( ; CHECK-NEXT: ret i32 8 ; %B = or i32 %A, 12 ; Always equal to 8 %C = and i32 %B, 8 ret i32 %C } define i1 @test14(i32 %A, i32 %B) { ; CHECK-LABEL: @test14( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32 %A, %B ; CHECK-NEXT: ret i1 [[TMP1]] ; %C1 = icmp ult i32 %A, %B %C2 = icmp ugt i32 %A, %B ; (A < B) | (A > B) === A != B %D = or i1 %C1, %C2 ret i1 %D } define i1 @test15(i32 %A, i32 %B) { ; CHECK-LABEL: @test15( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i32 %A, %B ; CHECK-NEXT: ret i1 [[TMP1]] ; %C1 = icmp ult i32 %A, %B %C2 = icmp eq i32 %A, %B ; (A < B) | (A == B) === A <= B %D = or i1 %C1, %C2 ret i1 %D } define i32 @test16(i32 %A) { ; CHECK-LABEL: @test16( ; CHECK-NEXT: ret i32 %A ; %B = and i32 %A, 1 ; -2 = ~1 %C = and i32 %A, -2 ; %D = and int %B, -1 == %B %D = or i32 %B, %C ret i32 %D } define i32 @test17(i32 %A) { ; CHECK-LABEL: @test17( ; CHECK-NEXT: [[D:%.*]] = and i32 %A, 5 ; CHECK-NEXT: ret i32 [[D]] ; %B = and i32 %A, 1 %C = and i32 %A, 4 ; %D = and int %B, 5 %D = or i32 %B, %C ret i32 %D } define i1 @test18(i32 %A) { ; CHECK-LABEL: @test18( ; CHECK-NEXT: [[A_OFF:%.*]] = add i32 %A, -50 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[A_OFF]], 49 ; CHECK-NEXT: ret i1 [[TMP1]] ; %B = icmp sge i32 %A, 100 %C = icmp slt i32 %A, 50 %D = or i1 %B, %C ret i1 %D } ; FIXME: Vectors should fold too. define <2 x i1> @test18vec(<2 x i32> %A) { ; CHECK-LABEL: @test18vec( ; CHECK-NEXT: [[B:%.*]] = icmp sgt <2 x i32> %A, ; CHECK-NEXT: [[C:%.*]] = icmp slt <2 x i32> %A, ; CHECK-NEXT: [[D:%.*]] = or <2 x i1> [[B]], [[C]] ; CHECK-NEXT: ret <2 x i1> [[D]] ; %B = icmp sge <2 x i32> %A, %C = icmp slt <2 x i32> %A, %D = or <2 x i1> %B, %C ret <2 x i1> %D } define i1 @test19(i32 %A) { ; CHECK-LABEL: @test19( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %A, 1 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 51 ; CHECK-NEXT: ret i1 [[TMP2]] ; %B = icmp eq i32 %A, 50 %C = icmp eq i32 %A, 51 ;; (A&-2) == 50 %D = or i1 %B, %C ret i1 %D } define i32 @test20(i32 %x) { ; CHECK-LABEL: @test20( ; CHECK-NEXT: ret i32 %x ; %y = and i32 %x, 123 %z = or i32 %y, %x ret i32 %z } define i32 @test21(i32 %tmp.1) { ; CHECK-LABEL: @test21( ; CHECK-NEXT: [[TMP_1_MASK1:%.*]] = add i32 %tmp.1, 2 ; CHECK-NEXT: ret i32 [[TMP_1_MASK1]] ; %tmp.1.mask1 = add i32 %tmp.1, 2 %tmp.3 = and i32 %tmp.1.mask1, -2 %tmp.5 = and i32 %tmp.1, 1 ;; add tmp.1, 2 %tmp.6 = or i32 %tmp.5, %tmp.3 ret i32 %tmp.6 } define i32 @test22(i32 %B) { ; CHECK-LABEL: @test22( ; CHECK-NEXT: ret i32 %B ; %ELIM41 = and i32 %B, 1 %ELIM7 = and i32 %B, -2 %ELIM5 = or i32 %ELIM41, %ELIM7 ret i32 %ELIM5 } define i16 @test23(i16 %A) { ; CHECK-LABEL: @test23( ; CHECK-NEXT: [[B:%.*]] = lshr i16 %A, 1 ; CHECK-NEXT: [[D:%.*]] = xor i16 [[B]], -24575 ; CHECK-NEXT: ret i16 [[D]] ; %B = lshr i16 %A, 1 ;; fold or into xor %C = or i16 %B, -32768 %D = xor i16 %C, 8193 ret i16 %D } ; PR1738 define i1 @test24(double %X, double %Y) { ; CHECK-LABEL: @test24( ; CHECK-NEXT: [[TMP1:%.*]] = fcmp uno double %Y, %X ; CHECK-NEXT: ret i1 [[TMP1]] ; %tmp9 = fcmp uno double %X, 0.000000e+00 %tmp13 = fcmp uno double %Y, 0.000000e+00 %bothcond = or i1 %tmp13, %tmp9 ret i1 %bothcond } ; PR3266 & PR5276 define i1 @test25(i32 %A, i32 %B) { ; CHECK-LABEL: @test25( ; CHECK-NEXT: [[NOTLHS:%.*]] = icmp ne i32 %A, 0 ; CHECK-NEXT: [[NOTRHS:%.*]] = icmp ne i32 %B, 57 ; CHECK-NEXT: [[F:%.*]] = and i1 [[NOTRHS]], [[NOTLHS]] ; CHECK-NEXT: ret i1 [[F]] ; %C = icmp eq i32 %A, 0 %D = icmp eq i32 %B, 57 %E = or i1 %C, %D %F = xor i1 %E, -1 ret i1 %F } ; PR5634 define i1 @test26(i32 %A, i32 %B) { ; CHECK-LABEL: @test26( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %A, %B ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[TMP2]] ; %C1 = icmp eq i32 %A, 0 %C2 = icmp eq i32 %B, 0 ; (A == 0) & (A == 0) --> (A|B) == 0 %D = and i1 %C1, %C2 ret i1 %D } define i1 @test27(i32* %A, i32* %B) { ; CHECK-LABEL: @test27( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32* %A, null ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32* %B, null ; CHECK-NEXT: [[E:%.*]] = and i1 [[TMP1]], [[TMP2]] ; CHECK-NEXT: ret i1 [[E]] ; %C1 = ptrtoint i32* %A to i32 %C2 = ptrtoint i32* %B to i32 %D = or i32 %C1, %C2 %E = icmp eq i32 %D, 0 ret i1 %E } define <2 x i1> @test27vec(<2 x i32*> %A, <2 x i32*> %B) { ; CHECK-LABEL: @test27vec( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i32*> %A, zeroinitializer ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i32*> %B, zeroinitializer ; CHECK-NEXT: [[E:%.*]] = and <2 x i1> [[TMP1]], [[TMP2]] ; CHECK-NEXT: ret <2 x i1> [[E]] ; %C1 = ptrtoint <2 x i32*> %A to <2 x i32> %C2 = ptrtoint <2 x i32*> %B to <2 x i32> %D = or <2 x i32> %C1, %C2 %E = icmp eq <2 x i32> %D, zeroinitializer ret <2 x i1> %E } ; PR5634 define i1 @test28(i32 %A, i32 %B) { ; CHECK-LABEL: @test28( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %A, %B ; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i32 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[TMP2]] ; %C1 = icmp ne i32 %A, 0 %C2 = icmp ne i32 %B, 0 ; (A != 0) | (A != 0) --> (A|B) != 0 %D = or i1 %C1, %C2 ret i1 %D } define i1 @test29(i32* %A, i32* %B) { ; CHECK-LABEL: @test29( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i32* %A, null ; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i32* %B, null ; CHECK-NEXT: [[E:%.*]] = or i1 [[TMP1]], [[TMP2]] ; CHECK-NEXT: ret i1 [[E]] ; %C1 = ptrtoint i32* %A to i32 %C2 = ptrtoint i32* %B to i32 %D = or i32 %C1, %C2 %E = icmp ne i32 %D, 0 ret i1 %E } define <2 x i1> @test29vec(<2 x i32*> %A, <2 x i32*> %B) { ; CHECK-LABEL: @test29vec( ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32*> %A, zeroinitializer ; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <2 x i32*> %B, zeroinitializer ; CHECK-NEXT: [[E:%.*]] = or <2 x i1> [[TMP1]], [[TMP2]] ; CHECK-NEXT: ret <2 x i1> [[E]] ; %C1 = ptrtoint <2 x i32*> %A to <2 x i32> %C2 = ptrtoint <2 x i32*> %B to <2 x i32> %D = or <2 x i32> %C1, %C2 %E = icmp ne <2 x i32> %D, zeroinitializer ret <2 x i1> %E } ; PR4216 define i32 @test30(i32 %A) { ; CHECK-LABEL: @test30( ; CHECK-NEXT: [[D:%.*]] = and i32 %A, -58312 ; CHECK-NEXT: [[E:%.*]] = or i32 [[D]], 32962 ; CHECK-NEXT: ret i32 [[E]] ; %B = or i32 %A, 32962 %C = and i32 %A, -65536 %D = and i32 %B, 40186 %E = or i32 %D, %C ret i32 %E } ; PR4216 define i64 @test31(i64 %A) { ; CHECK-LABEL: @test31( ; CHECK-NEXT: [[E:%.*]] = and i64 %A, 4294908984 ; CHECK-NEXT: [[F:%.*]] = or i64 [[E]], 32962 ; CHECK-NEXT: ret i64 [[F]] ; %B = or i64 %A, 194 %D = and i64 %B, 250 %C = or i64 %A, 32768 %E = and i64 %C, 4294941696 %F = or i64 %D, %E ret i64 %F } ; codegen is mature enough to handle vector selects. define <4 x i32> @test32(<4 x i1> %and.i1352, <4 x i32> %vecinit6.i176, <4 x i32> %vecinit6.i191) { ; CHECK-LABEL: @test32( ; CHECK-NEXT: [[OR_I:%.*]] = select <4 x i1> %and.i1352, <4 x i32> %vecinit6.i176, <4 x i32> %vecinit6.i191 ; CHECK-NEXT: ret <4 x i32> [[OR_I]] ; %and.i135 = sext <4 x i1> %and.i1352 to <4 x i32> %and.i129 = and <4 x i32> %vecinit6.i176, %and.i135 %neg.i = xor <4 x i32> %and.i135, %and.i = and <4 x i32> %vecinit6.i191, %neg.i %or.i = or <4 x i32> %and.i, %and.i129 ret <4 x i32> %or.i } define i1 @test33(i1 %X, i1 %Y) { ; CHECK-LABEL: @test33( ; CHECK-NEXT: [[B:%.*]] = or i1 %X, %Y ; CHECK-NEXT: ret i1 [[B]] ; %a = or i1 %X, %Y %b = or i1 %a, %X ret i1 %b } define i32 @test34(i32 %X, i32 %Y) { ; CHECK-LABEL: @test34( ; CHECK-NEXT: [[B:%.*]] = or i32 %X, %Y ; CHECK-NEXT: ret i32 [[B]] ; %a = or i32 %X, %Y %b = or i32 %Y, %a ret i32 %b } define i32 @test35(i32 %a, i32 %b) { ; CHECK-LABEL: @test35( ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %a, %b ; CHECK-NEXT: [[TMP2:%.*]] = or i32 [[TMP1]], 1135 ; CHECK-NEXT: ret i32 [[TMP2]] ; %1 = or i32 %a, 1135 %2 = or i32 %1, %b ret i32 %2 } define i1 @test36(i32 %x) { ; CHECK-LABEL: @test36( ; CHECK-NEXT: [[X_OFF:%.*]] = add i32 %x, -23 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[X_OFF]], 3 ; CHECK-NEXT: ret i1 [[TMP1]] ; %cmp1 = icmp eq i32 %x, 23 %cmp2 = icmp eq i32 %x, 24 %ret1 = or i1 %cmp1, %cmp2 %cmp3 = icmp eq i32 %x, 25 %ret2 = or i1 %ret1, %cmp3 ret i1 %ret2 } define i32 @orsext_to_sel(i32 %x, i1 %y) { ; CHECK-LABEL: @orsext_to_sel( ; CHECK-NEXT: [[OR:%.*]] = select i1 %y, i32 -1, i32 %x ; CHECK-NEXT: ret i32 [[OR]] ; %sext = sext i1 %y to i32 %or = or i32 %sext, %x ret i32 %or } define i32 @orsext_to_sel_swap(i32 %x, i1 %y) { ; CHECK-LABEL: @orsext_to_sel_swap( ; CHECK-NEXT: [[OR:%.*]] = select i1 %y, i32 -1, i32 %x ; CHECK-NEXT: ret i32 [[OR]] ; %sext = sext i1 %y to i32 %or = or i32 %x, %sext ret i32 %or } define i32 @orsext_to_sel_multi_use(i32 %x, i1 %y) { ; CHECK-LABEL: @orsext_to_sel_multi_use( ; CHECK-NEXT: [[SEXT:%.*]] = sext i1 %y to i32 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[SEXT]], %x ; CHECK-NEXT: [[ADD:%.*]] = add i32 [[SEXT]], [[OR]] ; CHECK-NEXT: ret i32 [[ADD]] ; %sext = sext i1 %y to i32 %or = or i32 %sext, %x %add = add i32 %sext, %or ret i32 %add } define <2 x i32> @orsext_to_sel_vec(<2 x i32> %x, <2 x i1> %y) { ; CHECK-LABEL: @orsext_to_sel_vec( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> %y, <2 x i32> , <2 x i32> %x ; CHECK-NEXT: ret <2 x i32> [[OR]] ; %sext = sext <2 x i1> %y to <2 x i32> %or = or <2 x i32> %sext, %x ret <2 x i32> %or } define <2 x i132> @orsext_to_sel_vec_swap(<2 x i132> %x, <2 x i1> %y) { ; CHECK-LABEL: @orsext_to_sel_vec_swap( ; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> %y, <2 x i132> , <2 x i132> %x ; CHECK-NEXT: ret <2 x i132> [[OR]] ; %sext = sext <2 x i1> %y to <2 x i132> %or = or <2 x i132> %x, %sext ret <2 x i132> %or } define i32 @test39(i32 %a, i32 %b) { ; CHECK-LABEL: @test39( ; CHECK-NEXT: [[OR:%.*]] = or i32 %a, %b ; CHECK-NEXT: ret i32 [[OR]] ; %xor = xor i32 %a, -1 %and = and i32 %xor, %b %or = or i32 %and, %a ret i32 %or } define i32 @test40(i32 %a, i32 %b) { ; CHECK-LABEL: @test40( ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 %a, -1 ; CHECK-NEXT: [[OR:%.*]] = or i32 [[TMP1]], %b ; CHECK-NEXT: ret i32 [[OR]] ; %and = and i32 %a, %b %xor = xor i32 %a, -1 %or = or i32 %and, %xor ret i32 %or } define i32 @test41(i32 %a, i32 %b) { ; CHECK-LABEL: @test41( ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 %a, -1 ; CHECK-NEXT: [[OR:%.*]] = xor i32 [[TMP1]], %b ; CHECK-NEXT: ret i32 [[OR]] ; %and = and i32 %a, %b %nega = xor i32 %a, -1 %xor = xor i32 %nega, %b %or = or i32 %and, %xor ret i32 %or } ; (~A ^ B) | (A & B) -> (~A ^ B) define i32 @test42(i32 %a, i32 %b) { ; CHECK-LABEL: @test42( ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 %a, -1 ; CHECK-NEXT: [[OR:%.*]] = xor i32 [[TMP1]], %b ; CHECK-NEXT: ret i32 [[OR]] ; %nega = xor i32 %a, -1 %xor = xor i32 %nega, %b %and = and i32 %a, %b %or = or i32 %xor, %and ret i32 %or } ; FIXME: We miss the fold because the pattern matching is inadequate. define i32 @test42_commuted_and(i32 %a, i32 %b) { ; CHECK-LABEL: @test42_commuted_and( ; CHECK-NEXT: [[NEGA:%.*]] = xor i32 %a, -1 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[NEGA]], %b ; CHECK-NEXT: [[AND:%.*]] = and i32 %b, %a ; CHECK-NEXT: [[OR:%.*]] = or i32 [[XOR]], [[AND]] ; CHECK-NEXT: ret i32 [[OR]] ; %nega = xor i32 %a, -1 %xor = xor i32 %nega, %b %and = and i32 %b, %a %or = or i32 %xor, %and ret i32 %or } ; FIXME: We miss the fold because the pattern matching is inadequate. define i32 @test42_commuted_xor(i32 %a, i32 %b) { ; CHECK-LABEL: @test42_commuted_xor( ; CHECK-NEXT: [[NEGA:%.*]] = xor i32 %a, -1 ; CHECK-NEXT: [[XOR:%.*]] = xor i32 %b, [[NEGA]] ; CHECK-NEXT: [[AND:%.*]] = and i32 %a, %b ; CHECK-NEXT: [[OR:%.*]] = or i32 [[XOR]], [[AND]] ; CHECK-NEXT: ret i32 [[OR]] ; %nega = xor i32 %a, -1 %xor = xor i32 %b, %nega %and = and i32 %a, %b %or = or i32 %xor, %and ret i32 %or } ; Commute operands of the 'or'. define i32 @test43(i32 %a, i32 %b) { ; CHECK-LABEL: @test43( ; CHECK-NEXT: [[OR:%.*]] = xor i32 %a, %b ; CHECK-NEXT: ret i32 [[OR]] ; %neg = xor i32 %b, -1 %and = and i32 %a, %neg %xor = xor i32 %a, %b %or = or i32 %and, %xor ret i32 %or } ; FIXME: We miss the fold because the pattern matching is inadequate. define i32 @test43_commuted_and(i32 %a, i32 %b) { ; CHECK-LABEL: @test43_commuted_and( ; CHECK-NEXT: [[NEG:%.*]] = xor i32 %b, -1 ; CHECK-NEXT: [[AND:%.*]] = and i32 [[NEG]], %a ; CHECK-NEXT: [[XOR:%.*]] = xor i32 %a, %b ; CHECK-NEXT: [[OR:%.*]] = or i32 [[AND]], [[XOR]] ; CHECK-NEXT: ret i32 [[OR]] ; %neg = xor i32 %b, -1 %and = and i32 %neg, %a %xor = xor i32 %a, %b %or = or i32 %and, %xor ret i32 %or } define i32 @test44(i32 %a, i32 %b) { ; CHECK-LABEL: @test44( ; CHECK-NEXT: [[OR:%.*]] = xor i32 %a, %b ; CHECK-NEXT: ret i32 [[OR]] ; %xor = xor i32 %a, %b %neg = xor i32 %b, -1 %and = and i32 %a, %neg %or = or i32 %xor, %and ret i32 %or } define i32 @test45(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @test45( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %x, %z ; CHECK-NEXT: [[OR1:%.*]] = or i32 [[TMP1]], %y ; CHECK-NEXT: ret i32 [[OR1]] ; %or = or i32 %y, %z %and = and i32 %x, %or %or1 = or i32 %and, %y ret i32 %or1 } define i1 @test46(i8 signext %c) { ; CHECK-LABEL: @test46( ; CHECK-NEXT: [[TMP1:%.*]] = and i8 %c, -33 ; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[TMP1]], -65 ; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], 26 ; CHECK-NEXT: ret i1 [[TMP3]] ; %c.off = add i8 %c, -97 %cmp1 = icmp ult i8 %c.off, 26 %c.off17 = add i8 %c, -65 %cmp2 = icmp ult i8 %c.off17, 26 %or = or i1 %cmp1, %cmp2 ret i1 %or } define i1 @test47(i8 signext %c) { ; CHECK-LABEL: @test47( ; CHECK-NEXT: [[TMP1:%.*]] = and i8 %c, -33 ; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[TMP1]], -65 ; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], 27 ; CHECK-NEXT: ret i1 [[TMP3]] ; %c.off = add i8 %c, -65 %cmp1 = icmp ule i8 %c.off, 26 %c.off17 = add i8 %c, -97 %cmp2 = icmp ule i8 %c.off17, 26 %or = or i1 %cmp1, %cmp2 ret i1 %or } define i1 @test48(i64 %x, i1 %b) { ; CHECK-LABEL: @test48( ; CHECK-NEXT: ret i1 true ; %1 = icmp ult i64 %x, 2305843009213693952 %2 = icmp ugt i64 %x, 2305843009213693951 %.b = or i1 %2, %b %3 = or i1 %1, %.b ret i1 %3 }