Differential D51801 Diff 164877 llvm/trunk/test/Transforms/GVNHoist/pr38807.ll

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				; RUN: opt < %s -early-cse-memssa -gvn-hoist -S \| FileCheck %s

				; Make sure opt doesn't crash. On top of that, the instructions
				; of the side blocks should be hoisted to the entry block.

				%s = type { i32, i64 }
				%S = type { %s, i32 }

				;CHECK-LABEL: @foo

				define void @foo(i32* %arg) {
				bb0:
				%0 = bitcast i32* %arg to %S*
				%call.idx.i = getelementptr %S, %S* %0, i64 0, i32 0, i32 0
				%call.idx.val.i = load i32, i32* %call.idx.i
				br label %bb1

				;CHECK: bb1:
				;CHECK: %call264 = call zeroext i1 @bar
				;CHECK: store i32 %call.idx.val.i, i32* %call.idx.i
				;CHECK: %1 = getelementptr inbounds %S, %S* %0, i64 0, i32 0, i32 1
				;CHECK: store i64 undef, i64* %1
				;CHECK: br i1 %call264, label %bb2, label %bb3

				bb1:
				%call264 = call zeroext i1 @bar()
				br i1 %call264, label %bb2, label %bb3

				;CHECK: bb2:
				;CHECK-NOT: store i32 %call.idx.val.i, i32* %call.idx.i
				;CHECK-NOT: store i64 undef, i64* %{.*}

				bb2:
				store i32 %call.idx.val.i, i32* %call.idx.i
				%1 = getelementptr inbounds %S, %S* %0, i64 0, i32 0, i32 1
				store i64 undef, i64* %1
				ret void

				;CHECK: bb3:
				;CHECK-NOT: store i32 %call.idx.val.i, i32* %call.idx.i
				;CHECK-NOT: store i64 undef, i64* %{.*}

				bb3:
				store i32 %call.idx.val.i, i32* %call.idx.i
				%2 = getelementptr inbounds %S, %S* %0, i64 0, i32 0, i32 1
				store i64 undef, i64* %2
				ret void
				}

				declare zeroext i1 @bar()