| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=newgvn -S %s | FileCheck %s |
| ; Ensure we do not incorrect do phi of ops |
| source_filename = "/Users/dannyb/sources/llvm-clean/debug-build/pr33305.c" |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.12.0" |
| |
| @a = common global i32 0, align 4 |
| @b = local_unnamed_addr global ptr @a, align 8 |
| @e = local_unnamed_addr global i32 -1, align 4 |
| @g = local_unnamed_addr global i32 1, align 4 |
| @c = common local_unnamed_addr global i32 0, align 4 |
| @f = common local_unnamed_addr global i32 0, align 4 |
| @h = common local_unnamed_addr global i32 0, align 4 |
| @str = private unnamed_addr constant [5 x i8] c"fine\00" |
| @str.2 = private unnamed_addr constant [8 x i8] c"Screwed\00" |
| |
| ; Function Attrs: nounwind optsize ssp uwtable |
| define i32 @main() local_unnamed_addr #0 { |
| ; CHECK-LABEL: @main( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[DOTPR_I:%.*]] = load i32, ptr @c, align 4, !tbaa !3 |
| ; CHECK-NEXT: [[CMP13_I:%.*]] = icmp slt i32 [[DOTPR_I]], 1 |
| ; CHECK-NEXT: br i1 [[CMP13_I]], label [[FOR_COND1_PREHEADER_LR_PH_I:%.*]], label [[ENTRY_FOR_END9_I_CRIT_EDGE:%.*]] |
| ; CHECK: entry.for.end9.i_crit_edge: |
| ; CHECK-NEXT: [[DOTPRE:%.*]] = load i32, ptr @h, align 4, !tbaa !3 |
| ; CHECK-NEXT: br label [[FOR_END9_I:%.*]] |
| ; CHECK: for.cond1.preheader.lr.ph.i: |
| ; CHECK-NEXT: [[G_PROMOTED14_I:%.*]] = load i32, ptr @g, align 4, !tbaa !3 |
| ; CHECK-NEXT: br label [[FOR_COND1_PREHEADER_I:%.*]] |
| ; CHECK: for.cond1.preheader.i: |
| ; CHECK-NEXT: [[INC816_I:%.*]] = phi i32 [ [[DOTPR_I]], [[FOR_COND1_PREHEADER_LR_PH_I]] ], [ [[INC8_I:%.*]], [[FOR_INC7_I:%.*]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ [[G_PROMOTED14_I]], [[FOR_COND1_PREHEADER_LR_PH_I]] ], [ 0, [[FOR_INC7_I]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY3_I:%.*]] |
| ; CHECK: for.body3.i: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i1 [ false, [[FOR_COND1_PREHEADER_I]] ], [ true, [[LOR_END_I:%.*]] ] |
| ; CHECK-NEXT: [[INC12_I:%.*]] = phi i32 [ 0, [[FOR_COND1_PREHEADER_I]] ], [ [[INC_I:%.*]], [[LOR_END_I]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[TMP0]], [[FOR_COND1_PREHEADER_I]] ], [ 0, [[LOR_END_I]] ] |
| ; CHECK-NEXT: [[TOBOOL_I:%.*]] = icmp ne i32 [[TMP2]], 0 |
| ; CHECK-NEXT: [[OR_COND_I:%.*]] = and i1 [[TMP1]], [[TOBOOL_I]] |
| ; CHECK-NEXT: br i1 [[OR_COND_I]], label [[LOR_END_I]], label [[LOR_RHS_I:%.*]] |
| ; CHECK: lor.rhs.i: |
| ; CHECK-NEXT: [[LNOT_I:%.*]] = xor i1 [[TOBOOL_I]], true |
| ; CHECK-NEXT: [[LNOT_EXT_I:%.*]] = zext i1 [[LNOT_I]] to i32 |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr @e, align 4, !tbaa !3 |
| ; CHECK-NEXT: [[XOR_I:%.*]] = xor i32 [[TMP3]], [[LNOT_EXT_I]] |
| ; CHECK-NEXT: store i32 [[XOR_I]], ptr @e, align 4, !tbaa !3 |
| ; CHECK-NEXT: br label [[LOR_END_I]] |
| ; CHECK: lor.end.i: |
| ; CHECK-NEXT: [[INC_I]] = add nuw nsw i32 [[INC12_I]], 1 |
| ; CHECK-NEXT: [[EXITCOND_I:%.*]] = icmp eq i32 [[INC_I]], 2 |
| ; CHECK-NEXT: br i1 [[EXITCOND_I]], label [[FOR_INC7_I]], label [[FOR_BODY3_I]] |
| ; CHECK: for.inc7.i: |
| ; CHECK-NEXT: [[INC8_I]] = add nsw i32 [[INC816_I]], 1 |
| ; CHECK-NEXT: [[CMP_I:%.*]] = icmp slt i32 [[INC816_I]], 0 |
| ; CHECK-NEXT: br i1 [[CMP_I]], label [[FOR_COND1_PREHEADER_I]], label [[FOR_COND_FOR_END9_CRIT_EDGE_I:%.*]] |
| ; CHECK: for.cond.for.end9_crit_edge.i: |
| ; CHECK-NEXT: store i32 0, ptr @g, align 4, !tbaa !3 |
| ; CHECK-NEXT: store i32 2, ptr @h, align 4, !tbaa !3 |
| ; CHECK-NEXT: store i32 [[INC8_I]], ptr @c, align 4, !tbaa !3 |
| ; CHECK-NEXT: br label [[FOR_END9_I]] |
| ; CHECK: for.end9.i: |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[DOTPRE]], [[ENTRY_FOR_END9_I_CRIT_EDGE]] ], [ 2, [[FOR_COND_FOR_END9_CRIT_EDGE_I]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = load ptr, ptr @b, align 8, !tbaa !7 |
| ; CHECK-NEXT: store i32 [[TMP4]], ptr [[TMP5]], align 4, !tbaa !3 |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr @e, align 4, !tbaa !3 |
| ; CHECK-NEXT: [[CMP10_I:%.*]] = icmp slt i32 [[TMP6]], -1 |
| ; CHECK-NEXT: br i1 [[CMP10_I]], label [[IF_THEN_I:%.*]], label [[FN1_EXIT:%.*]] |
| ; CHECK: if.then.i: |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr @f, align 4, !tbaa !3 |
| ; CHECK-NEXT: store i32 [[TMP7]], ptr [[TMP5]], align 4, !tbaa !3 |
| ; CHECK-NEXT: br label [[FN1_EXIT]] |
| ; CHECK: fn1.exit: |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr @a, align 4, !tbaa !3 |
| ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP8]], 0 |
| ; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[PUTS2:%.*]] = tail call i32 @puts(ptr @str.2) |
| ; CHECK-NEXT: tail call void @abort() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[PUTS:%.*]] = tail call i32 @puts(ptr @str) |
| ; CHECK-NEXT: ret i32 0 |
| ; |
| entry: |
| %.pr.i = load i32, ptr @c, align 4, !tbaa !3 |
| %cmp13.i = icmp slt i32 %.pr.i, 1 |
| br i1 %cmp13.i, label %for.cond1.preheader.lr.ph.i, label %entry.for.end9.i_crit_edge |
| |
| entry.for.end9.i_crit_edge: ; preds = %entry |
| %.pre = load i32, ptr @h, align 4, !tbaa !3 |
| br label %for.end9.i |
| |
| for.cond1.preheader.lr.ph.i: ; preds = %entry |
| %g.promoted14.i = load i32, ptr @g, align 4, !tbaa !3 |
| br label %for.cond1.preheader.i |
| |
| for.cond1.preheader.i: ; preds = %for.inc7.i, %for.cond1.preheader.lr.ph.i |
| %inc816.i = phi i32 [ %.pr.i, %for.cond1.preheader.lr.ph.i ], [ %inc8.i, %for.inc7.i ] |
| %0 = phi i32 [ %g.promoted14.i, %for.cond1.preheader.lr.ph.i ], [ 0, %for.inc7.i ] |
| br label %for.body3.i |
| |
| for.body3.i: ; preds = %lor.end.i, %for.cond1.preheader.i |
| %1 = phi i1 [ false, %for.cond1.preheader.i ], [ true, %lor.end.i ] |
| %inc12.i = phi i32 [ 0, %for.cond1.preheader.i ], [ %inc.i, %lor.end.i ] |
| %2 = phi i32 [ %0, %for.cond1.preheader.i ], [ 0, %lor.end.i ] |
| %tobool.i = icmp ne i32 %2, 0 |
| %or.cond.i = and i1 %1, %tobool.i |
| br i1 %or.cond.i, label %lor.end.i, label %lor.rhs.i |
| |
| lor.rhs.i: ; preds = %for.body3.i |
| %lnot.i = xor i1 %tobool.i, true |
| %lnot.ext.i = zext i1 %lnot.i to i32 |
| %3 = load i32, ptr @e, align 4, !tbaa !3 |
| %xor.i = xor i32 %3, %lnot.ext.i |
| store i32 %xor.i, ptr @e, align 4, !tbaa !3 |
| br label %lor.end.i |
| |
| lor.end.i: ; preds = %lor.rhs.i, %for.body3.i |
| %inc.i = add nuw nsw i32 %inc12.i, 1 |
| %exitcond.i = icmp eq i32 %inc.i, 2 |
| br i1 %exitcond.i, label %for.inc7.i, label %for.body3.i |
| |
| for.inc7.i: ; preds = %lor.end.i |
| %inc8.i = add nsw i32 %inc816.i, 1 |
| %cmp.i = icmp slt i32 %inc816.i, 0 |
| br i1 %cmp.i, label %for.cond1.preheader.i, label %for.cond.for.end9_crit_edge.i |
| |
| for.cond.for.end9_crit_edge.i: ; preds = %for.inc7.i |
| store i32 0, ptr @g, align 4, !tbaa !3 |
| store i32 2, ptr @h, align 4, !tbaa !3 |
| store i32 %inc8.i, ptr @c, align 4, !tbaa !3 |
| br label %for.end9.i |
| |
| for.end9.i: ; preds = %entry.for.end9.i_crit_edge, %for.cond.for.end9_crit_edge.i |
| %4 = phi i32 [ %.pre, %entry.for.end9.i_crit_edge ], [ 2, %for.cond.for.end9_crit_edge.i ] |
| %5 = load ptr, ptr @b, align 8, !tbaa !7 |
| store i32 %4, ptr %5, align 4, !tbaa !3 |
| %6 = load i32, ptr @e, align 4, !tbaa !3 |
| %cmp10.i = icmp slt i32 %6, -1 |
| br i1 %cmp10.i, label %if.then.i, label %fn1.exit |
| |
| if.then.i: ; preds = %for.end9.i |
| %7 = load i32, ptr @f, align 4, !tbaa !3 |
| store i32 %7, ptr %5, align 4, !tbaa !3 |
| br label %fn1.exit |
| |
| fn1.exit: ; preds = %if.then.i, %for.end9.i |
| %8 = load i32, ptr @a, align 4, !tbaa !3 |
| %tobool = icmp eq i32 %8, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %fn1.exit |
| %puts2 = tail call i32 @puts(ptr @str.2) |
| tail call void @abort() #3 |
| unreachable |
| |
| if.end: ; preds = %fn1.exit |
| %puts = tail call i32 @puts(ptr @str) |
| ret i32 0 |
| } |
| |
| ; Function Attrs: noreturn nounwind optsize |
| declare void @abort() local_unnamed_addr #1 |
| |
| ; Function Attrs: nounwind |
| declare i32 @puts(ptr nocapture readonly) local_unnamed_addr #2 |
| |
| attributes #0 = { nounwind optsize ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" } |
| attributes #1 = { noreturn nounwind optsize "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" } |
| attributes #2 = { nounwind } |
| attributes #3 = { noreturn nounwind optsize } |
| |
| !llvm.module.flags = !{!0, !1} |
| !llvm.ident = !{!2} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{i32 7, !"PIC Level", i32 2} |
| !2 = !{!"clang version 5.0.0"} |
| !3 = !{!4, !4, i64 0} |
| !4 = !{!"int", !5, i64 0} |
| !5 = !{!"omnipotent char", !6, i64 0} |
| !6 = !{!"Simple C/C++ TBAA"} |
| !7 = !{!8, !8, i64 0} |
| !8 = !{!"any pointer", !5, i64 0} |