; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s define i32 @test_sext1(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_sext1( ; CHECK-NEXT: [[FOLD_R:%.*]] = and i1 %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = sext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = sext i1 %cca to i32 %r = select i1 %ccb, i32 %ccax, i32 0 ret i32 %r } define i32 @test_sext2(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_sext2( ; CHECK-NEXT: [[FOLD_R:%.*]] = or i1 %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = sext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = sext i1 %cca to i32 %r = select i1 %ccb, i32 -1, i32 %ccax ret i32 %r } define i32 @test_sext3(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_sext3( ; CHECK-NEXT: [[NOT_CCB:%.*]] = xor i1 %ccb, true ; CHECK-NEXT: [[FOLD_R:%.*]] = and i1 [[NOT_CCB]], %cca ; CHECK-NEXT: [[R:%.*]] = sext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = sext i1 %cca to i32 %r = select i1 %ccb, i32 0, i32 %ccax ret i32 %r } define i32 @test_sext4(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_sext4( ; CHECK-NEXT: [[NOT_CCB:%.*]] = xor i1 %ccb, true ; CHECK-NEXT: [[FOLD_R:%.*]] = or i1 [[NOT_CCB]], %cca ; CHECK-NEXT: [[R:%.*]] = sext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = sext i1 %cca to i32 %r = select i1 %ccb, i32 %ccax, i32 -1 ret i32 %r } define i32 @test_zext1(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_zext1( ; CHECK-NEXT: [[FOLD_R:%.*]] = and i1 %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = zext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = zext i1 %cca to i32 %r = select i1 %ccb, i32 %ccax, i32 0 ret i32 %r } define i32 @test_zext2(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_zext2( ; CHECK-NEXT: [[FOLD_R:%.*]] = or i1 %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = zext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = zext i1 %cca to i32 %r = select i1 %ccb, i32 1, i32 %ccax ret i32 %r } define i32 @test_zext3(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_zext3( ; CHECK-NEXT: [[NOT_CCB:%.*]] = xor i1 %ccb, true ; CHECK-NEXT: [[FOLD_R:%.*]] = and i1 [[NOT_CCB]], %cca ; CHECK-NEXT: [[R:%.*]] = zext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = zext i1 %cca to i32 %r = select i1 %ccb, i32 0, i32 %ccax ret i32 %r } define i32 @test_zext4(i1 %cca, i1 %ccb) { ; CHECK-LABEL: @test_zext4( ; CHECK-NEXT: [[NOT_CCB:%.*]] = xor i1 %ccb, true ; CHECK-NEXT: [[FOLD_R:%.*]] = or i1 [[NOT_CCB]], %cca ; CHECK-NEXT: [[R:%.*]] = zext i1 [[FOLD_R]] to i32 ; CHECK-NEXT: ret i32 [[R]] ; %ccax = zext i1 %cca to i32 %r = select i1 %ccb, i32 %ccax, i32 1 ret i32 %r } define i32 @test_negative_sext(i1 %a, i1 %cc) { ; CHECK-LABEL: @test_negative_sext( ; CHECK-NEXT: [[A_EXT:%.*]] = sext i1 %a to i32 ; CHECK-NEXT: [[R:%.*]] = select i1 %cc, i32 [[A_EXT]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %a.ext = sext i1 %a to i32 %r = select i1 %cc, i32 %a.ext, i32 1 ret i32 %r } define i32 @test_negative_zext(i1 %a, i1 %cc) { ; CHECK-LABEL: @test_negative_zext( ; CHECK-NEXT: [[A_EXT:%.*]] = zext i1 %a to i32 ; CHECK-NEXT: [[R:%.*]] = select i1 %cc, i32 [[A_EXT]], i32 -1 ; CHECK-NEXT: ret i32 [[R]] ; %a.ext = zext i1 %a to i32 %r = select i1 %cc, i32 %a.ext, i32 -1 ret i32 %r } define i32 @test_bits_sext(i8 %a, i1 %cc) { ; CHECK-LABEL: @test_bits_sext( ; CHECK-NEXT: [[A_EXT:%.*]] = sext i8 %a to i32 ; CHECK-NEXT: [[R:%.*]] = select i1 %cc, i32 [[A_EXT]], i32 -128 ; CHECK-NEXT: ret i32 [[R]] ; %a.ext = sext i8 %a to i32 %r = select i1 %cc, i32 %a.ext, i32 -128 ret i32 %r } define i32 @test_bits_zext(i8 %a, i1 %cc) { ; CHECK-LABEL: @test_bits_zext( ; CHECK-NEXT: [[A_EXT:%.*]] = zext i8 %a to i32 ; CHECK-NEXT: [[R:%.*]] = select i1 %cc, i32 [[A_EXT]], i32 255 ; CHECK-NEXT: ret i32 [[R]] ; %a.ext = zext i8 %a to i32 %r = select i1 %cc, i32 %a.ext, i32 255 ret i32 %r } define i32 @test_op_op(i32 %a, i32 %b, i32 %c) { ; CHECK-LABEL: @test_op_op( ; CHECK-NEXT: [[CCA:%.*]] = icmp sgt i32 %a, 0 ; CHECK-NEXT: [[CCB:%.*]] = icmp sgt i32 %b, 0 ; CHECK-NEXT: [[CCC:%.*]] = icmp sgt i32 %c, 0 ; CHECK-NEXT: [[R_V:%.*]] = select i1 [[CCC]], i1 [[CCA]], i1 [[CCB]] ; CHECK-NEXT: [[R:%.*]] = sext i1 [[R:%.*]].v to i32 ; CHECK-NEXT: ret i32 [[R]] ; %cca = icmp sgt i32 %a, 0 %ccax = sext i1 %cca to i32 %ccb = icmp sgt i32 %b, 0 %ccbx = sext i1 %ccb to i32 %ccc = icmp sgt i32 %c, 0 %r = select i1 %ccc, i32 %ccax, i32 %ccbx ret i32 %r } define <2 x i32> @test_vectors_sext(<2 x i1> %cca, <2 x i1> %ccb) { ; CHECK-LABEL: @test_vectors_sext( ; CHECK-NEXT: [[FOLD_R:%.*]] = and <2 x i1> %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = sext <2 x i1> [[FOLD_R]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = sext <2 x i1> %cca to <2 x i32> %r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define <2 x i32> @test_vectors_sext_nonsplat(<2 x i1> %cca, <2 x i1> %ccb) { ; CHECK-LABEL: @test_vectors_sext_nonsplat( ; CHECK-NEXT: [[NARROW:%.*]] = select <2 x i1> %ccb, <2 x i1> %cca, <2 x i1> ; CHECK-NEXT: [[R:%.*]] = sext <2 x i1> [[NARROW]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = sext <2 x i1> %cca to <2 x i32> %r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define <2 x i32> @test_vectors_zext(<2 x i1> %cca, <2 x i1> %ccb) { ; CHECK-LABEL: @test_vectors_zext( ; CHECK-NEXT: [[FOLD_R:%.*]] = and <2 x i1> %ccb, %cca ; CHECK-NEXT: [[R:%.*]] = zext <2 x i1> [[FOLD_R]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = zext <2 x i1> %cca to <2 x i32> %r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define <2 x i32> @test_vectors_zext_nonsplat(<2 x i1> %cca, <2 x i1> %ccb) { ; CHECK-LABEL: @test_vectors_zext_nonsplat( ; CHECK-NEXT: [[NARROW:%.*]] = select <2 x i1> %ccb, <2 x i1> %cca, <2 x i1> ; CHECK-NEXT: [[R:%.*]] = zext <2 x i1> [[NARROW]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = zext <2 x i1> %cca to <2 x i32> %r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define <2 x i32> @scalar_select_of_vectors_sext(<2 x i1> %cca, i1 %ccb) { ; CHECK-LABEL: @scalar_select_of_vectors_sext( ; CHECK-NEXT: [[FOLD_R:%.*]] = select i1 %ccb, <2 x i1> %cca, <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = sext <2 x i1> [[FOLD_R]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = sext <2 x i1> %cca to <2 x i32> %r = select i1 %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define <2 x i32> @scalar_select_of_vectors_zext(<2 x i1> %cca, i1 %ccb) { ; CHECK-LABEL: @scalar_select_of_vectors_zext( ; CHECK-NEXT: [[FOLD_R:%.*]] = select i1 %ccb, <2 x i1> %cca, <2 x i1> zeroinitializer ; CHECK-NEXT: [[R:%.*]] = zext <2 x i1> [[FOLD_R]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[R]] ; %ccax = zext <2 x i1> %cca to <2 x i32> %r = select i1 %ccb, <2 x i32> %ccax, <2 x i32> ret <2 x i32> %r } define i32 @sext_true_val_must_be_all_ones(i1 %x) { ; CHECK-LABEL: @sext_true_val_must_be_all_ones( ; CHECK-NEXT: [[SEL:%.*]] = select i1 %x, i32 -1, i32 42, !prof !0 ; CHECK-NEXT: ret i32 [[SEL]] ; %ext = sext i1 %x to i32 %sel = select i1 %x, i32 %ext, i32 42, !prof !0 ret i32 %sel } define <2 x i32> @sext_true_val_must_be_all_ones_vec(<2 x i1> %x) { ; CHECK-LABEL: @sext_true_val_must_be_all_ones_vec( ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> %x, <2 x i32> , <2 x i32> , !prof !0 ; CHECK-NEXT: ret <2 x i32> [[SEL]] ; %ext = sext <2 x i1> %x to <2 x i32> %sel = select <2 x i1> %x, <2 x i32> %ext, <2 x i32> , !prof !0 ret <2 x i32> %sel } define i32 @zext_true_val_must_be_one(i1 %x) { ; CHECK-LABEL: @zext_true_val_must_be_one( ; CHECK-NEXT: [[SEL:%.*]] = select i1 %x, i32 1, i32 42, !prof !0 ; CHECK-NEXT: ret i32 [[SEL]] ; %ext = zext i1 %x to i32 %sel = select i1 %x, i32 %ext, i32 42, !prof !0 ret i32 %sel } define <2 x i32> @zext_true_val_must_be_one_vec(<2 x i1> %x) { ; CHECK-LABEL: @zext_true_val_must_be_one_vec( ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> %x, <2 x i32> , <2 x i32> , !prof !0 ; CHECK-NEXT: ret <2 x i32> [[SEL]] ; %ext = zext <2 x i1> %x to <2 x i32> %sel = select <2 x i1> %x, <2 x i32> %ext, <2 x i32> , !prof !0 ret <2 x i32> %sel } define i32 @sext_false_val_must_be_zero(i1 %x) { ; CHECK-LABEL: @sext_false_val_must_be_zero( ; CHECK-NEXT: [[SEL:%.*]] = select i1 %x, i32 42, i32 0, !prof !0 ; CHECK-NEXT: ret i32 [[SEL]] ; %ext = sext i1 %x to i32 %sel = select i1 %x, i32 42, i32 %ext, !prof !0 ret i32 %sel } define <2 x i32> @sext_false_val_must_be_zero_vec(<2 x i1> %x) { ; CHECK-LABEL: @sext_false_val_must_be_zero_vec( ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> %x, <2 x i32> , <2 x i32> zeroinitializer, !prof !0 ; CHECK-NEXT: ret <2 x i32> [[SEL]] ; %ext = sext <2 x i1> %x to <2 x i32> %sel = select <2 x i1> %x, <2 x i32> , <2 x i32> %ext, !prof !0 ret <2 x i32> %sel } define i32 @zext_false_val_must_be_zero(i1 %x) { ; CHECK-LABEL: @zext_false_val_must_be_zero( ; CHECK-NEXT: [[SEL:%.*]] = select i1 %x, i32 42, i32 0, !prof !0 ; CHECK-NEXT: ret i32 [[SEL]] ; %ext = zext i1 %x to i32 %sel = select i1 %x, i32 42, i32 %ext, !prof !0 ret i32 %sel } define <2 x i32> @zext_false_val_must_be_zero_vec(<2 x i1> %x) { ; CHECK-LABEL: @zext_false_val_must_be_zero_vec( ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> %x, <2 x i32> , <2 x i32> zeroinitializer, !prof !0 ; CHECK-NEXT: ret <2 x i32> [[SEL]] ; %ext = zext <2 x i1> %x to <2 x i32> %sel = select <2 x i1> %x, <2 x i32> , <2 x i32> %ext, !prof !0 ret <2 x i32> %sel } !0 = !{!"branch_weights", i32 3, i32 5}