1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -newgvn -S %s | FileCheck %s 3; Ensure we do not incorrect do phi of ops 4source_filename = "/Users/dannyb/sources/llvm-clean/debug-build/pr33305.c" 5target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-apple-macosx10.12.0" 7 8@a = common global i32 0, align 4 9@b = local_unnamed_addr global i32* @a, align 8 10@e = local_unnamed_addr global i32 -1, align 4 11@g = local_unnamed_addr global i32 1, align 4 12@c = common local_unnamed_addr global i32 0, align 4 13@f = common local_unnamed_addr global i32 0, align 4 14@h = common local_unnamed_addr global i32 0, align 4 15@str = private unnamed_addr constant [5 x i8] c"fine\00" 16@str.2 = private unnamed_addr constant [8 x i8] c"Screwed\00" 17 18; Function Attrs: nounwind optsize ssp uwtable 19define i32 @main() local_unnamed_addr #0 { 20; CHECK-LABEL: @main( 21; CHECK-NEXT: entry: 22; CHECK-NEXT: [[DOTPR_I:%.*]] = load i32, i32* @c, align 4, !tbaa !3 23; CHECK-NEXT: [[CMP13_I:%.*]] = icmp slt i32 [[DOTPR_I]], 1 24; CHECK-NEXT: br i1 [[CMP13_I]], label [[FOR_COND1_PREHEADER_LR_PH_I:%.*]], label [[ENTRY_FOR_END9_I_CRIT_EDGE:%.*]] 25; CHECK: entry.for.end9.i_crit_edge: 26; CHECK-NEXT: [[DOTPRE:%.*]] = load i32, i32* @h, align 4, !tbaa !3 27; CHECK-NEXT: br label [[FOR_END9_I:%.*]] 28; CHECK: for.cond1.preheader.lr.ph.i: 29; CHECK-NEXT: [[G_PROMOTED14_I:%.*]] = load i32, i32* @g, align 4, !tbaa !3 30; CHECK-NEXT: br label [[FOR_COND1_PREHEADER_I:%.*]] 31; CHECK: for.cond1.preheader.i: 32; CHECK-NEXT: [[INC816_I:%.*]] = phi i32 [ [[DOTPR_I]], [[FOR_COND1_PREHEADER_LR_PH_I]] ], [ [[INC8_I:%.*]], [[FOR_INC7_I:%.*]] ] 33; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ [[G_PROMOTED14_I]], [[FOR_COND1_PREHEADER_LR_PH_I]] ], [ 0, [[FOR_INC7_I]] ] 34; CHECK-NEXT: br label [[FOR_BODY3_I:%.*]] 35; CHECK: for.body3.i: 36; CHECK-NEXT: [[TMP1:%.*]] = phi i1 [ false, [[FOR_COND1_PREHEADER_I]] ], [ true, [[LOR_END_I:%.*]] ] 37; CHECK-NEXT: [[INC12_I:%.*]] = phi i32 [ 0, [[FOR_COND1_PREHEADER_I]] ], [ [[INC_I:%.*]], [[LOR_END_I]] ] 38; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[TMP0]], [[FOR_COND1_PREHEADER_I]] ], [ 0, [[LOR_END_I]] ] 39; CHECK-NEXT: [[TOBOOL_I:%.*]] = icmp ne i32 [[TMP2]], 0 40; CHECK-NEXT: [[OR_COND_I:%.*]] = and i1 [[TMP1]], [[TOBOOL_I]] 41; CHECK-NEXT: br i1 [[OR_COND_I]], label [[LOR_END_I]], label [[LOR_RHS_I:%.*]] 42; CHECK: lor.rhs.i: 43; CHECK-NEXT: [[LNOT_I:%.*]] = xor i1 [[TOBOOL_I]], true 44; CHECK-NEXT: [[LNOT_EXT_I:%.*]] = zext i1 [[LNOT_I]] to i32 45; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* @e, align 4, !tbaa !3 46; CHECK-NEXT: [[XOR_I:%.*]] = xor i32 [[TMP3]], [[LNOT_EXT_I]] 47; CHECK-NEXT: store i32 [[XOR_I]], i32* @e, align 4, !tbaa !3 48; CHECK-NEXT: br label [[LOR_END_I]] 49; CHECK: lor.end.i: 50; CHECK-NEXT: [[INC_I]] = add nuw nsw i32 [[INC12_I]], 1 51; CHECK-NEXT: [[EXITCOND_I:%.*]] = icmp eq i32 [[INC_I]], 2 52; CHECK-NEXT: br i1 [[EXITCOND_I]], label [[FOR_INC7_I]], label [[FOR_BODY3_I]] 53; CHECK: for.inc7.i: 54; CHECK-NEXT: [[INC8_I]] = add nsw i32 [[INC816_I]], 1 55; CHECK-NEXT: [[CMP_I:%.*]] = icmp slt i32 [[INC816_I]], 0 56; CHECK-NEXT: br i1 [[CMP_I]], label [[FOR_COND1_PREHEADER_I]], label [[FOR_COND_FOR_END9_CRIT_EDGE_I:%.*]] 57; CHECK: for.cond.for.end9_crit_edge.i: 58; CHECK-NEXT: store i32 0, i32* @g, align 4, !tbaa !3 59; CHECK-NEXT: store i32 2, i32* @h, align 4, !tbaa !3 60; CHECK-NEXT: store i32 [[INC8_I]], i32* @c, align 4, !tbaa !3 61; CHECK-NEXT: br label [[FOR_END9_I]] 62; CHECK: for.end9.i: 63; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[DOTPRE]], [[ENTRY_FOR_END9_I_CRIT_EDGE]] ], [ 2, [[FOR_COND_FOR_END9_CRIT_EDGE_I]] ] 64; CHECK-NEXT: [[TMP5:%.*]] = load i32*, i32** @b, align 8, !tbaa !7 65; CHECK-NEXT: store i32 [[TMP4]], i32* [[TMP5]], align 4, !tbaa !3 66; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* @e, align 4, !tbaa !3 67; CHECK-NEXT: [[CMP10_I:%.*]] = icmp slt i32 [[TMP6]], -1 68; CHECK-NEXT: br i1 [[CMP10_I]], label [[IF_THEN_I:%.*]], label [[FN1_EXIT:%.*]] 69; CHECK: if.then.i: 70; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* @f, align 4, !tbaa !3 71; CHECK-NEXT: store i32 [[TMP7]], i32* [[TMP5]], align 4, !tbaa !3 72; CHECK-NEXT: br label [[FN1_EXIT]] 73; CHECK: fn1.exit: 74; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* @a, align 4, !tbaa !3 75; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP8]], 0 76; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] 77; CHECK: if.then: 78; CHECK-NEXT: [[PUTS2:%.*]] = tail call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @str.2, i64 0, i64 0)) 79; CHECK-NEXT: tail call void @abort() 80; CHECK-NEXT: unreachable 81; CHECK: if.end: 82; CHECK-NEXT: [[PUTS:%.*]] = tail call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @str, i64 0, i64 0)) 83; CHECK-NEXT: ret i32 0 84; 85entry: 86 %.pr.i = load i32, i32* @c, align 4, !tbaa !3 87 %cmp13.i = icmp slt i32 %.pr.i, 1 88 br i1 %cmp13.i, label %for.cond1.preheader.lr.ph.i, label %entry.for.end9.i_crit_edge 89 90entry.for.end9.i_crit_edge: ; preds = %entry 91 %.pre = load i32, i32* @h, align 4, !tbaa !3 92 br label %for.end9.i 93 94for.cond1.preheader.lr.ph.i: ; preds = %entry 95 %g.promoted14.i = load i32, i32* @g, align 4, !tbaa !3 96 br label %for.cond1.preheader.i 97 98for.cond1.preheader.i: ; preds = %for.inc7.i, %for.cond1.preheader.lr.ph.i 99 %inc816.i = phi i32 [ %.pr.i, %for.cond1.preheader.lr.ph.i ], [ %inc8.i, %for.inc7.i ] 100 %0 = phi i32 [ %g.promoted14.i, %for.cond1.preheader.lr.ph.i ], [ 0, %for.inc7.i ] 101 br label %for.body3.i 102 103for.body3.i: ; preds = %lor.end.i, %for.cond1.preheader.i 104 %1 = phi i1 [ false, %for.cond1.preheader.i ], [ true, %lor.end.i ] 105 %inc12.i = phi i32 [ 0, %for.cond1.preheader.i ], [ %inc.i, %lor.end.i ] 106 %2 = phi i32 [ %0, %for.cond1.preheader.i ], [ 0, %lor.end.i ] 107 %tobool.i = icmp ne i32 %2, 0 108 %or.cond.i = and i1 %1, %tobool.i 109 br i1 %or.cond.i, label %lor.end.i, label %lor.rhs.i 110 111lor.rhs.i: ; preds = %for.body3.i 112 %lnot.i = xor i1 %tobool.i, true 113 %lnot.ext.i = zext i1 %lnot.i to i32 114 %3 = load i32, i32* @e, align 4, !tbaa !3 115 %xor.i = xor i32 %3, %lnot.ext.i 116 store i32 %xor.i, i32* @e, align 4, !tbaa !3 117 br label %lor.end.i 118 119lor.end.i: ; preds = %lor.rhs.i, %for.body3.i 120 %inc.i = add nuw nsw i32 %inc12.i, 1 121 %exitcond.i = icmp eq i32 %inc.i, 2 122 br i1 %exitcond.i, label %for.inc7.i, label %for.body3.i 123 124for.inc7.i: ; preds = %lor.end.i 125 %inc8.i = add nsw i32 %inc816.i, 1 126 %cmp.i = icmp slt i32 %inc816.i, 0 127 br i1 %cmp.i, label %for.cond1.preheader.i, label %for.cond.for.end9_crit_edge.i 128 129for.cond.for.end9_crit_edge.i: ; preds = %for.inc7.i 130 store i32 0, i32* @g, align 4, !tbaa !3 131 store i32 2, i32* @h, align 4, !tbaa !3 132 store i32 %inc8.i, i32* @c, align 4, !tbaa !3 133 br label %for.end9.i 134 135for.end9.i: ; preds = %entry.for.end9.i_crit_edge, %for.cond.for.end9_crit_edge.i 136 %4 = phi i32 [ %.pre, %entry.for.end9.i_crit_edge ], [ 2, %for.cond.for.end9_crit_edge.i ] 137 %5 = load i32*, i32** @b, align 8, !tbaa !7 138 store i32 %4, i32* %5, align 4, !tbaa !3 139 %6 = load i32, i32* @e, align 4, !tbaa !3 140 %cmp10.i = icmp slt i32 %6, -1 141 br i1 %cmp10.i, label %if.then.i, label %fn1.exit 142 143if.then.i: ; preds = %for.end9.i 144 %7 = load i32, i32* @f, align 4, !tbaa !3 145 store i32 %7, i32* %5, align 4, !tbaa !3 146 br label %fn1.exit 147 148fn1.exit: ; preds = %if.then.i, %for.end9.i 149 %8 = load i32, i32* @a, align 4, !tbaa !3 150 %tobool = icmp eq i32 %8, 0 151 br i1 %tobool, label %if.end, label %if.then 152 153if.then: ; preds = %fn1.exit 154 %puts2 = tail call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @str.2, i64 0, i64 0)) 155 tail call void @abort() #3 156 unreachable 157 158if.end: ; preds = %fn1.exit 159 %puts = tail call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @str, i64 0, i64 0)) 160 ret i32 0 161} 162 163; Function Attrs: noreturn nounwind optsize 164declare void @abort() local_unnamed_addr #1 165 166; Function Attrs: nounwind 167declare i32 @puts(i8* nocapture readonly) local_unnamed_addr #2 168 169attributes #0 = { nounwind optsize ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 170attributes #1 = { noreturn nounwind optsize "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 171attributes #2 = { nounwind } 172attributes #3 = { noreturn nounwind optsize } 173 174!llvm.module.flags = !{!0, !1} 175!llvm.ident = !{!2} 176 177!0 = !{i32 1, !"wchar_size", i32 4} 178!1 = !{i32 7, !"PIC Level", i32 2} 179!2 = !{!"clang version 5.0.0 (http://llvm.org/git/clang.git e97b4dda83fd49e0218ea06ba4e37796a81b2027) (/Users/dannyb/sources/llvm-clean b38f051979e4ac2aa6513e40046d120fd472cb96)"} 180!3 = !{!4, !4, i64 0} 181!4 = !{!"int", !5, i64 0} 182!5 = !{!"omnipotent char", !6, i64 0} 183!6 = !{!"Simple C/C++ TBAA"} 184!7 = !{!8, !8, i64 0} 185!8 = !{!"any pointer", !5, i64 0} 186