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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=sccp -use-constant-int-for-fixed-length-splat=false -S | FileCheck %s --check-prefixes=CHECK,CHECK-CV3; RUN: opt < %s -passes=sccp -use-constant-int-for-fixed-length-splat -S | FileCheck %s --check-prefixes=CHECK,CHECK-CI4 5define i32 @zext_lshr(i1 %t0) {6; CHECK-LABEL: @zext_lshr(7; CHECK-NEXT: [[T1:%.*]] = zext i1 [[T0:%.*]] to i328; CHECK-NEXT: ret i32 09;10 %t1 = zext i1 %t0 to i3211 %t2 = lshr i32 %t1, 112 ret i32 %t213}14 15define i1 @zext_icmp(i1 %t0) {16; CHECK-LABEL: @zext_icmp(17; CHECK-NEXT: [[T1:%.*]] = zext i1 [[T0:%.*]] to i3218; CHECK-NEXT: ret i1 false19;20 %t1 = zext i1 %t0 to i3221 %t2 = icmp eq i32 %t1, 222 ret i1 %t223}24 25; TODO: SCCP operates poorly with vector ranges26 27define <2 x i1> @zext_vector(<2 x i1> %t0) {28; CHECK-CV-LABEL: @zext_vector(29; CHECK-CV-NEXT: [[T1:%.*]] = zext <2 x i1> [[T0:%.*]] to <2 x i32>30; CHECK-CV-NEXT: [[T2:%.*]] = icmp eq <2 x i32> [[T1]], splat (i32 2)31; CHECK-CV-NEXT: ret <2 x i1> [[T2]]32;33; CHECK-CI-LABEL: @zext_vector(34; CHECK-CI-NEXT: [[T1:%.*]] = zext <2 x i1> [[T0:%.*]] to <2 x i32>35; CHECK-CI-NEXT: ret <2 x i1> zeroinitializer36;37 %t1 = zext <2 x i1> %t0 to <2 x i32>38 %t2 = icmp eq <2 x i32> %t1, <i32 2, i32 2>39 ret <2 x i1> %t240}41 42define <2 x i1> @zext_vector2(<2 x i1> %t0) {43; CHECK-LABEL: @zext_vector2(44; CHECK-NEXT: [[T1:%.*]] = zext <2 x i1> [[T0:%.*]] to <2 x i32>45; CHECK-NEXT: [[T2:%.*]] = add nuw nsw <2 x i32> [[T1]], splat (i32 2)46; CHECK-NEXT: ret <2 x i1> zeroinitializer47;48 %t1 = zext <2 x i1> %t0 to <2 x i32>49 %t2 = add <2 x i32> %t1, <i32 2, i32 2>50 %t3 = icmp eq <2 x i32> %t1, %t251 ret <2 x i1> %t352}53 54; negative test: %t2 can be replaced by %t1, but SCCP operates by ranges only55 56define i32 @sext_ashr(i1 %t0) {57; CHECK-LABEL: @sext_ashr(58; CHECK-NEXT: [[T1:%.*]] = sext i1 [[T0:%.*]] to i3259; CHECK-NEXT: [[T2:%.*]] = ashr i32 [[T1]], 160; CHECK-NEXT: ret i32 [[T2]]61;62 %t1 = sext i1 %t0 to i3263 %t2 = ashr i32 %t1, 164 ret i32 %t265}66 67define i1 @sext_icmp(i1 %t0) {68; CHECK-LABEL: @sext_icmp(69; CHECK-NEXT: [[T1:%.*]] = sext i1 [[T0:%.*]] to i3270; CHECK-NEXT: ret i1 false71;72 %t1 = sext i1 %t0 to i3273 %t2 = icmp eq i32 %t1, 274 ret i1 %t275}76 77; TODO: SCCP operates poorly with vector ranges78 79define <2 x i1> @sext_vector(<2 x i1> %t0) {80; CHECK-CV-LABEL: @sext_vector(81; CHECK-CV-NEXT: [[T1:%.*]] = sext <2 x i1> [[T0:%.*]] to <2 x i32>82; CHECK-CV-NEXT: [[T2:%.*]] = icmp eq <2 x i32> [[T1]], splat (i32 2)83; CHECK-CV-NEXT: ret <2 x i1> [[T2]]84;85; CHECK-CI-LABEL: @sext_vector(86; CHECK-CI-NEXT: [[T1:%.*]] = sext <2 x i1> [[T0:%.*]] to <2 x i32>87; CHECK-CI-NEXT: ret <2 x i1> zeroinitializer88;89 %t1 = sext <2 x i1> %t0 to <2 x i32>90 %t2 = icmp eq <2 x i32> %t1, <i32 2, i32 2>91 ret <2 x i1> %t292}93 94define <2 x i1> @sext_vector2(<2 x i1> %t0) {95; CHECK-LABEL: @sext_vector2(96; CHECK-NEXT: [[T1:%.*]] = sext <2 x i1> [[T0:%.*]] to <2 x i32>97; CHECK-NEXT: [[T2:%.*]] = add nsw <2 x i32> [[T1]], splat (i32 2)98; CHECK-NEXT: ret <2 x i1> zeroinitializer99;100 %t1 = sext <2 x i1> %t0 to <2 x i32>101 %t2 = add <2 x i32> %t1, <i32 2, i32 2>102 %t3 = icmp eq <2 x i32> %t1, %t2103 ret <2 x i1> %t3104}105