1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt < %s -mergeicmps -S | FileCheck %s --check-prefix=NOEXPANSION 3 4 %"struct.std::pair" = type { i32, i32 } 5 6 define zeroext i1 @opeq1( 7 ; NOEXPANSION-LABEL: @opeq1( 8 ; NOEXPANSION-NEXT: entry: 9 ; NOEXPANSION-NEXT: [[FIRST_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A:%.*]], i64 0, i32 0 10 ; NOEXPANSION-NEXT: [[TMP0:%.*]] = load i32, i32* [[FIRST_I]], align 4 11 ; NOEXPANSION-NEXT: [[FIRST1_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B:%.*]], i64 0, i32 0 12 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, i32* [[FIRST1_I]], align 4 13 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]] 14 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]] 15 ; NOEXPANSION: land.rhs.i: 16 ; NOEXPANSION-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A]], i64 0, i32 1 17 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, i32* [[SECOND_I]], align 4 18 ; NOEXPANSION-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B]], i64 0, i32 1 19 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, i32* [[SECOND2_I]], align 4 20 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]] 21 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]] 22 ; NOEXPANSION: opeq1.exit: 23 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ] 24 ; NOEXPANSION-NEXT: ret i1 [[TMP4]] 25 ; 26 %"struct.std::pair"* nocapture readonly dereferenceable(8) %a, 27 %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 { 28 entry: 29 %first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0 30 %0 = load i32, i32* %first.i, align 4 31 %first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0 32 %1 = load i32, i32* %first1.i, align 4 33 %cmp.i = icmp eq i32 %0, %1 34 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit 35 36 land.rhs.i: 37 %second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1 38 %2 = load i32, i32* %second.i, align 4 39 %second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1 40 %3 = load i32, i32* %second2.i, align 4 41 %cmp3.i = icmp eq i32 %2, %3 42 br label %opeq1.exit 43 44 opeq1.exit: 45 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ] 46 ret i1 %4 47 } 48 49 ; Same as above, but the two blocks are in inverse order. 50 define zeroext i1 @opeq1_inverse( 51 ; NOEXPANSION-LABEL: @opeq1_inverse( 52 ; NOEXPANSION-NEXT: entry: 53 ; NOEXPANSION-NEXT: [[FIRST_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A:%.*]], i64 0, i32 1 54 ; NOEXPANSION-NEXT: [[TMP0:%.*]] = load i32, i32* [[FIRST_I]], align 4 55 ; NOEXPANSION-NEXT: [[FIRST1_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B:%.*]], i64 0, i32 1 56 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, i32* [[FIRST1_I]], align 4 57 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]] 58 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]] 59 ; NOEXPANSION: land.rhs.i: 60 ; NOEXPANSION-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A]], i64 0, i32 0 61 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, i32* [[SECOND_I]], align 4 62 ; NOEXPANSION-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B]], i64 0, i32 0 63 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, i32* [[SECOND2_I]], align 4 64 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]] 65 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]] 66 ; NOEXPANSION: opeq1.exit: 67 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ] 68 ; NOEXPANSION-NEXT: ret i1 [[TMP4]] 69 ; 70 %"struct.std::pair"* nocapture readonly dereferenceable(8) %a, 71 %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 { 72 entry: 73 %first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1 74 %0 = load i32, i32* %first.i, align 4 75 %first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1 76 %1 = load i32, i32* %first1.i, align 4 77 %cmp.i = icmp eq i32 %0, %1 78 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit 79 80 land.rhs.i: 81 %second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0 82 %2 = load i32, i32* %second.i, align 4 83 %second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0 84 %3 = load i32, i32* %second2.i, align 4 85 %cmp3.i = icmp eq i32 %2, %3 86 br label %opeq1.exit 87 88 opeq1.exit: 89 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ] 90 ret i1 %4 91 } 92 93 94 95
