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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes=newgvn -S %s | FileCheck %s
; REQUIRES: asserts
define void @tinkywinky(i1 %arg) {
; CHECK-LABEL: define void @tinkywinky(i1 %arg) {
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 %arg, label [[FOR_COND18:%.*]], label [[FOR_COND_PREHEADER:%.*]]
; CHECK: for.cond.preheader:
; CHECK-NEXT: br label [[FOR_COND2THREAD_PRE_SPLIT:%.*]]
; CHECK: for.cond2thread-pre-split:
; CHECK-NEXT: [[CONV24:%.*]] = phi i32 [ 0, [[FOR_COND_PREHEADER]] ], [ [[CONV:%.*]], [[FOR_INC_SPLIT:%.*]] ]
; CHECK-NEXT: br label [[FOR_INC_SPLIT]]
; CHECK: for.inc.split:
; CHECK-NEXT: [[ADD:%.*]] = shl nsw i32 [[CONV24]], 16
; CHECK-NEXT: [[SEXT23:%.*]] = add i32 [[ADD]], 65536
; CHECK-NEXT: [[CONV]] = ashr exact i32 [[SEXT23]], 16
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[SEXT23]], 3604480
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_COND2THREAD_PRE_SPLIT]], label [[L1_LOOPEXIT:%.*]]
; CHECK: l1.loopexit:
; CHECK-NEXT: br label [[L1:%.*]]
; CHECK: l1:
; CHECK-NEXT: [[TMP0:%.*]] = load i16, ptr null, align 2
; CHECK-NEXT: [[G_0_G_0__PR:%.*]] = load i16, ptr null, align 2
; CHECK-NEXT: ret void
; CHECK: for.cond18:
; CHECK-NEXT: br label [[L1]]
;
entry:
br i1 %arg, label %for.cond18, label %for.cond.preheader
for.cond.preheader:
br label %for.cond2thread-pre-split
for.cond2thread-pre-split:
%conv24 = phi i32 [ 0, %for.cond.preheader ], [ %conv, %for.inc.split ]
br label %for.inc.split
for.inc.split:
%add = shl nsw i32 %conv24, 16
%sext23 = add i32 %add, 65536
%conv = ashr exact i32 %sext23, 16
%cmp = icmp slt i32 %sext23, 3604480
br i1 %cmp, label %for.cond2thread-pre-split, label %l1.loopexit
l1.loopexit:
br label %l1
l1:
%h.0 = phi ptr [ undef, %for.cond18 ], [ null, %l1.loopexit ]
%0 = load i16, ptr %h.0, align 2
store i16 %0, ptr null, align 2
%g.0.g.0..pr = load i16, ptr null, align 2
%tobool15 = icmp eq i16 %g.0.g.0..pr, 0
ret void
for.cond18:
br label %l1
}
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