59 lines
2.7 KiB
LLVM
59 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes='unify-loop-exits' -S | FileCheck %s
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define fastcc void @undef_phi(i64 %i5247, i1 %i4530, i1 %i4936.not) {
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; CHECK-LABEL: define fastcc void @undef_phi(
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; CHECK-SAME: i64 [[I5247:%.*]], i1 [[I4530:%.*]], i1 [[I4936_NOT:%.*]]) {
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; CHECK-NEXT: [[BB:.*:]]
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; CHECK-NEXT: br label %[[MBB3932:.*]]
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; CHECK: [[MBB3932]]:
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; CHECK-NEXT: br label %[[MBB4454:.*]]
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; CHECK: [[MBB4321:.*]]:
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; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[I5247]] to i32
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; CHECK-NEXT: [[I5290:%.*]] = icmp eq i32 [[TMP0]], 0
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; CHECK-NEXT: br i1 [[I5290]], label %[[MBB3932]], label %[[LOOP_EXIT_GUARD:.*]]
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; CHECK: [[MBB4454]]:
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; CHECK-NEXT: br i1 [[I4530]], label %[[MBB4535:.*]], label %[[LOOP_EXIT_GUARD1:.*]]
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; CHECK: [[MBB4531:.*]]:
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; CHECK-NEXT: ret void
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; CHECK: [[MBB4535]]:
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; CHECK-NEXT: br i1 [[I4936_NOT]], label %[[LOOP_EXIT_GUARD1]], label %[[MBB4454]]
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; CHECK: [[MBB5291:.*]]:
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; CHECK-NEXT: [[I5293:%.*]] = insertvalue [2 x i32] zeroinitializer, i32 [[DOTMOVED:%.*]], 1
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; CHECK-NEXT: store volatile [2 x i32] [[I5293]], ptr addrspace(5) null, align 4
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; CHECK-NEXT: ret void
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; CHECK: [[LOOP_EXIT_GUARD]]:
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; CHECK-NEXT: [[DOTMOVED]] = phi i32 [ [[TMP0]], %[[MBB4321]] ], [ undef, %[[LOOP_EXIT_GUARD1]] ]
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; CHECK-NEXT: [[GUARD_MBB4531:%.*]] = phi i1 [ false, %[[MBB4321]] ], [ [[GUARD_MBB4531_MOVED:%.*]], %[[LOOP_EXIT_GUARD1]] ]
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; CHECK-NEXT: br i1 [[GUARD_MBB4531]], label %[[MBB4531]], label %[[MBB5291]]
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; CHECK: [[LOOP_EXIT_GUARD1]]:
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; CHECK-NEXT: [[GUARD_MBB4531_MOVED]] = phi i1 [ true, %[[MBB4454]] ], [ undef, %[[MBB4535]] ]
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; CHECK-NEXT: [[GUARD_LOOP_EXIT_GUARD:%.*]] = phi i1 [ true, %[[MBB4454]] ], [ false, %[[MBB4535]] ]
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; CHECK-NEXT: br i1 [[GUARD_LOOP_EXIT_GUARD]], label %[[LOOP_EXIT_GUARD]], label %[[MBB4321]]
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;
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mbb:
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br label %mbb3932
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mbb3932: ; preds = %mbb4321, %mbb
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br label %mbb4454
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mbb4321: ; preds = %mbb4535
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%0 = trunc i64 %i5247 to i32
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%i5290 = icmp eq i32 %0, 0
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br i1 %i5290, label %mbb3932, label %mbb5291
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mbb4454: ; preds = %mbb4535, %mbb3932
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br i1 %i4530, label %mbb4535, label %mbb4531
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mbb4531: ; preds = %mbb4454
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ret void
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mbb4535: ; preds = %mbb4454
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br i1 %i4936.not, label %mbb4321, label %mbb4454
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mbb5291: ; preds = %mbb4321
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%i5293 = insertvalue [2 x i32] zeroinitializer, i32 %0, 1
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store volatile [2 x i32] %i5293, ptr addrspace(5) null, align 4
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ret void
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}
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