forked from OSchip/llvm-project
147 lines
5.8 KiB
LLVM
147 lines
5.8 KiB
LLVM
; 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 -passes=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 poison, i8* null
|
|
; CHECK-NEXT: br label [[L]]
|
|
; CHECK: L:
|
|
; CHECK-NEXT: [[H_125]] = phi i32 [ [[H_127]], [[WHILE_BODY12]] ], [ poison, [[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" "frame-pointer"="none" "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" }
|
|
|
|
|
|
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
|
|
}
|
|
|