diff options
Diffstat (limited to 'test/Transforms/NewGVN/pr33187.ll')
-rw-r--r-- | test/Transforms/NewGVN/pr33187.ll | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/test/Transforms/NewGVN/pr33187.ll b/test/Transforms/NewGVN/pr33187.ll new file mode 100644 index 0000000000000..61e767d36569f --- /dev/null +++ b/test/Transforms/NewGVN/pr33187.ll @@ -0,0 +1,148 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +;; Ensure we don't change after value numbering by accidentally deleting the wrong expression. +; RUN: opt -newgvn -S %s | FileCheck %s +define void @fn1() local_unnamed_addr #0 { +; CHECK-LABEL: @fn1( +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_COND_PREHEADER:%.*]] +; CHECK: while.cond: +; CHECK-NEXT: br label [[FOR_COND_PREHEADER]] +; CHECK: for.cond.preheader: +; CHECK-NEXT: [[H_031:%.*]] = phi i32 [ 5, [[ENTRY:%.*]] ], [ [[H_127:%.*]], [[WHILE_COND:%.*]] ] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[H_128:%.*]] = phi i32 [ [[H_031]], [[FOR_COND_PREHEADER]] ], [ [[H_2:%.*]], [[FOR_INC:%.*]] ] +; CHECK-NEXT: br label [[IF_THEN:%.*]] +; CHECK: if.then: +; CHECK-NEXT: br i1 false, label [[L_LOOPEXIT:%.*]], label [[IF_END:%.*]] +; CHECK: if.end: +; CHECK-NEXT: br i1 undef, label [[FOR_INC]], label [[IF_END9:%.*]] +; CHECK: if.end9: +; CHECK-NEXT: br label [[FOR_INC]] +; CHECK: for.inc: +; CHECK-NEXT: [[H_2]] = phi i32 [ [[H_128]], [[IF_END]] ], [ 0, [[IF_END9]] ] +; CHECK-NEXT: br i1 undef, label [[WHILE_COND10_LOOPEXIT:%.*]], label [[FOR_BODY]] +; CHECK: while.cond10.loopexit: +; CHECK-NEXT: br label [[WHILE_COND10:%.*]] +; CHECK: while.cond10: +; CHECK-NEXT: [[H_127]] = phi i32 [ [[H_126:%.*]], [[IF_END18:%.*]] ], [ [[H_125:%.*]], [[L:%.*]] ], [ [[H_2]], [[WHILE_COND10_LOOPEXIT]] ] +; CHECK-NEXT: br i1 undef, label [[WHILE_COND]], label [[WHILE_BODY12:%.*]] +; CHECK: while.body12: +; CHECK-NEXT: br i1 undef, label [[IF_END18]], label [[L]] +; CHECK: L.loopexit: +; CHECK-NEXT: store i8 undef, i8* null +; CHECK-NEXT: br label [[L]] +; CHECK: L: +; CHECK-NEXT: [[H_125]] = phi i32 [ [[H_127]], [[WHILE_BODY12]] ], [ undef, [[L_LOOPEXIT]] ] +; CHECK-NEXT: br i1 undef, label [[WHILE_COND10]], label [[IF_END18]] +; CHECK: if.end18: +; CHECK-NEXT: [[H_126]] = phi i32 [ [[H_125]], [[L]] ], [ [[H_127]], [[WHILE_BODY12]] ] +; CHECK-NEXT: br label [[WHILE_COND10]] +; +entry: + br label %for.cond.preheader + +while.cond: ; preds = %while.cond10 + br label %for.cond.preheader + +for.cond.preheader: ; preds = %while.cond, %entry + %h.031 = phi i32 [ 5, %entry ], [ %h.127, %while.cond ] + br label %for.body + +for.body: ; preds = %for.inc, %for.cond.preheader + %h.128 = phi i32 [ %h.031, %for.cond.preheader ], [ %h.2, %for.inc ] + br label %if.then + +if.then: ; preds = %for.body + br i1 false, label %L.loopexit, label %if.end + +if.end: ; preds = %if.then + br i1 undef, label %for.inc, label %if.end9 + +if.end9: ; preds = %if.end + br label %for.inc + +for.inc: ; preds = %if.end9, %if.end + %h.2 = phi i32 [ %h.128, %if.end ], [ 0, %if.end9 ] + br i1 undef, label %while.cond10.loopexit, label %for.body + +while.cond10.loopexit: ; preds = %for.inc + %h.2.lcssa = phi i32 [ %h.2, %for.inc ] + br label %while.cond10 + +while.cond10: ; preds = %if.end18, %L, %while.cond10.loopexit + %h.127 = phi i32 [ %h.126, %if.end18 ], [ %h.125, %L ], [ %h.2.lcssa, %while.cond10.loopexit ] + br i1 undef, label %while.cond, label %while.body12 + +while.body12: ; preds = %while.cond10 + br i1 undef, label %if.end18, label %L + +L.loopexit: ; preds = %if.then + br label %L + +L: ; preds = %L.loopexit, %while.body12 + %h.125 = phi i32 [ %h.127, %while.body12 ], [ undef, %L.loopexit ] + br i1 undef, label %while.cond10, label %if.end18 + +if.end18: ; preds = %L, %while.body12 + %h.126 = phi i32 [ %h.125, %L ], [ %h.127, %while.body12 ] + br label %while.cond10 +} + + +define void @hoge() local_unnamed_addr #0 { +; CHECK-LABEL: @hoge( +; CHECK-NEXT: bb: +; CHECK-NEXT: br label [[BB1:%.*]] +; CHECK: bb1: +; CHECK-NEXT: [[TMP:%.*]] = phi i64 [ 0, [[BB:%.*]] ], [ [[TMP2:%.*]], [[BB1]] ] +; CHECK-NEXT: [[TMP2]] = add nuw nsw i64 [[TMP]], 1 +; CHECK-NEXT: br label [[BB1]] +; +bb: + br label %bb1 + +bb1: ; preds = %bb1, %bb + %tmp = phi i64 [ 0, %bb ], [ %tmp2, %bb1 ] + %tmp2 = add nuw nsw i64 %tmp, 1 + br label %bb1 +} + +attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } + + +source_filename = "pr33187-c.ll" + +define void @a() { +; CHECK-LABEL: @a( +; CHECK-NEXT: b: +; CHECK-NEXT: store i8* null, i8** null +; CHECK-NEXT: br label [[D:%.*]] +; CHECK: d: +; CHECK-NEXT: [[I:%.*]] = phi i8* [ null, [[B:%.*]] ], [ [[E:%.*]], [[F:%.*]] ] +; CHECK-NEXT: br i1 undef, label [[F]], label [[G:%.*]] +; CHECK: g: +; CHECK-NEXT: store i8* [[I]], i8** null +; CHECK-NEXT: unreachable +; CHECK: f: +; CHECK-NEXT: [[E]] = getelementptr i8, i8* [[I]], i64 1 +; CHECK-NEXT: br label [[D]] +; +b: + store i8* null, i8** null + br label %d + +d: ; preds = %f, %b + %i = phi i8* [ null, %b ], [ %e, %f ] + br i1 undef, label %f, label %g + +g: ; preds = %d + %h = phi i8* [ %i, %d ] + store i8* %h, i8** null + unreachable + +f: ; preds = %d + %e = getelementptr i8, i8* %i, i64 1 + br label %d +} + |