1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=jump-threading -S %s -o - | FileCheck %s --check-prefix=DEFAULT 3; RUN: opt -passes=jump-threading -S -jump-threading-threshold=6 %s -o - | FileCheck %s --check-prefix=OVERIDE 4 5@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 6define i32 @test_minsize(i32 %argc, ptr nocapture readonly %argv) local_unnamed_addr #0 { 7; DEFAULT-LABEL: @test_minsize( 8; DEFAULT-NEXT: entry: 9; DEFAULT-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2 10; DEFAULT-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_END:%.*]] 11; DEFAULT: cond.true: 12; DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[ARGV:%.*]], i32 1 13; DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARRAYIDX]], align 4 14; DEFAULT-NEXT: [[CALL:%.*]] = tail call i32 @atoi(ptr [[TMP0]]) 15; DEFAULT-NEXT: br label [[COND_END]] 16; DEFAULT: cond.end: 17; DEFAULT-NEXT: [[COND:%.*]] = phi i32 [ [[CALL]], [[COND_TRUE]] ], [ 46, [[ENTRY:%.*]] ] 18; DEFAULT-NEXT: [[TMP1:%.*]] = mul i32 [[COND]], [[COND]] 19; DEFAULT-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]] 20; DEFAULT-NEXT: [[TMP3:%.*]] = mul i32 [[COND]], [[TMP2]] 21; DEFAULT-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[COND]], 0 22; DEFAULT-NEXT: [[COND_FR:%.*]] = freeze i1 [[TMP4]] 23; DEFAULT-NEXT: br i1 [[COND_FR]], label [[TMP5:%.*]], label [[TMP6:%.*]] 24; DEFAULT: 5: 25; DEFAULT-NEXT: br label [[TMP6]] 26; DEFAULT: 6: 27; DEFAULT-NEXT: [[TMP7:%.*]] = phi i32 [ [[COND]], [[TMP5]] ], [ 0, [[COND_END]] ] 28; DEFAULT-NEXT: [[TMP8:%.*]] = mul i32 [[TMP3]], [[TMP7]] 29; DEFAULT-NEXT: [[CALL33:%.*]] = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 [[TMP8]]) 30; DEFAULT-NEXT: ret i32 0 31; 32; OVERIDE-LABEL: @test_minsize( 33; OVERIDE-NEXT: entry: 34; OVERIDE-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2 35; OVERIDE-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]] 36; OVERIDE: cond.end: 37; OVERIDE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[ARGV:%.*]], i32 1 38; OVERIDE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARRAYIDX]], align 4 39; OVERIDE-NEXT: [[CALL:%.*]] = tail call i32 @atoi(ptr [[TMP0]]) 40; OVERIDE-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]] 41; OVERIDE-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]] 42; OVERIDE-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]] 43; OVERIDE-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0 44; OVERIDE-NEXT: [[COND_FR:%.*]] = freeze i1 [[TMP4]] 45; OVERIDE-NEXT: br i1 [[COND_FR]], label [[TMP5:%.*]], label [[COND_END_THREAD]] 46; OVERIDE: 5: 47; OVERIDE-NEXT: br label [[COND_END_THREAD]] 48; OVERIDE: cond.end.thread: 49; OVERIDE-NEXT: [[TMP6:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ [[TMP3]], [[TMP5]] ], [ 205962976, [[ENTRY:%.*]] ] 50; OVERIDE-NEXT: [[TMP7:%.*]] = phi i32 [ 0, [[COND_END]] ], [ [[CALL]], [[TMP5]] ], [ 46, [[ENTRY]] ] 51; OVERIDE-NEXT: [[TMP8:%.*]] = mul i32 [[TMP6]], [[TMP7]] 52; OVERIDE-NEXT: [[CALL33:%.*]] = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 [[TMP8]]) 53; OVERIDE-NEXT: ret i32 0 54; 55entry: 56 %cmp = icmp eq i32 %argc, 2 57 br i1 %cmp, label %cond.true, label %cond.end 58 59cond.true: ; preds = %entry 60 %arrayidx = getelementptr inbounds ptr, ptr %argv, i32 1 61 %0 = load ptr, ptr %arrayidx, align 4 62 %call = tail call i32 @atoi(ptr %0) 63 br label %cond.end 64 65cond.end: ; preds = %entry, %cond.true 66 %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ] 67 %1 = mul i32 %cond, %cond 68 %2 = mul i32 %1, %1 69 %3 = mul i32 %cond, %2 70 %4 = icmp sgt i32 %cond, 0 71 %spec.select = select i1 %4, i32 %cond, i32 0 72 %5 = mul i32 %3, %spec.select 73 %call33 = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 %5) #4 74 ret i32 0 75} 76 77define i32 @test_optsize(i32 %argc, ptr nocapture readonly %argv) local_unnamed_addr #1 { 78; DEFAULT-LABEL: @test_optsize( 79; DEFAULT-NEXT: entry: 80; DEFAULT-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2 81; DEFAULT-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]] 82; DEFAULT: cond.end: 83; DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[ARGV:%.*]], i32 1 84; DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARRAYIDX]], align 4 85; DEFAULT-NEXT: [[CALL:%.*]] = tail call i32 @atoi(ptr [[TMP0]]) 86; DEFAULT-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]] 87; DEFAULT-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]] 88; DEFAULT-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]] 89; DEFAULT-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0 90; DEFAULT-NEXT: [[COND_FR:%.*]] = freeze i1 [[TMP4]] 91; DEFAULT-NEXT: br i1 [[COND_FR]], label [[TMP5:%.*]], label [[COND_END_THREAD]] 92; DEFAULT: 5: 93; DEFAULT-NEXT: br label [[COND_END_THREAD]] 94; DEFAULT: cond.end.thread: 95; DEFAULT-NEXT: [[TMP6:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ [[TMP3]], [[TMP5]] ], [ 205962976, [[ENTRY:%.*]] ] 96; DEFAULT-NEXT: [[TMP7:%.*]] = phi i32 [ 0, [[COND_END]] ], [ [[CALL]], [[TMP5]] ], [ 46, [[ENTRY]] ] 97; DEFAULT-NEXT: [[TMP8:%.*]] = mul i32 [[TMP6]], [[TMP7]] 98; DEFAULT-NEXT: [[CALL33:%.*]] = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 [[TMP8]]) 99; DEFAULT-NEXT: ret i32 0 100; 101; OVERIDE-LABEL: @test_optsize( 102; OVERIDE-NEXT: entry: 103; OVERIDE-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2 104; OVERIDE-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]] 105; OVERIDE: cond.end: 106; OVERIDE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[ARGV:%.*]], i32 1 107; OVERIDE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARRAYIDX]], align 4 108; OVERIDE-NEXT: [[CALL:%.*]] = tail call i32 @atoi(ptr [[TMP0]]) 109; OVERIDE-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]] 110; OVERIDE-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]] 111; OVERIDE-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]] 112; OVERIDE-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0 113; OVERIDE-NEXT: [[COND_FR:%.*]] = freeze i1 [[TMP4]] 114; OVERIDE-NEXT: br i1 [[COND_FR]], label [[TMP5:%.*]], label [[COND_END_THREAD]] 115; OVERIDE: 5: 116; OVERIDE-NEXT: br label [[COND_END_THREAD]] 117; OVERIDE: cond.end.thread: 118; OVERIDE-NEXT: [[TMP6:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ [[TMP3]], [[TMP5]] ], [ 205962976, [[ENTRY:%.*]] ] 119; OVERIDE-NEXT: [[TMP7:%.*]] = phi i32 [ 0, [[COND_END]] ], [ [[CALL]], [[TMP5]] ], [ 46, [[ENTRY]] ] 120; OVERIDE-NEXT: [[TMP8:%.*]] = mul i32 [[TMP6]], [[TMP7]] 121; OVERIDE-NEXT: [[CALL33:%.*]] = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 [[TMP8]]) 122; OVERIDE-NEXT: ret i32 0 123; 124entry: 125 %cmp = icmp eq i32 %argc, 2 126 br i1 %cmp, label %cond.true, label %cond.end 127 128cond.true: ; preds = %entry 129 %arrayidx = getelementptr inbounds ptr, ptr %argv, i32 1 130 %0 = load ptr, ptr %arrayidx, align 4 131 %call = tail call i32 @atoi(ptr %0) 132 br label %cond.end 133 134cond.end: ; preds = %entry, %cond.true 135 %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ] 136 %1 = mul i32 %cond, %cond 137 %2 = mul i32 %1, %1 138 %3 = mul i32 %cond, %2 139 %4 = icmp sgt i32 %cond, 0 140 %spec.select = select i1 %4, i32 %cond, i32 0 141 %5 = mul i32 %3, %spec.select 142 %call33 = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str, i32 %5) #4 143 ret i32 0 144} 145declare i32 @atoi(ptr nocapture) local_unnamed_addr 146declare i32 @printf(ptr nocapture readonly, ...) local_unnamed_addr 147 148attributes #0 = { minsize optsize } 149attributes #1 = { optsize } 150 151