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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=gvn < %s | FileCheck %s3 4; Phi translation of %gep.j cannot use %gep.i, which is located in a context5; where %i != 0, and would result in incorrect NoAlias results in a context6; where %i == 0 may hold.7 8define i32 @test(i64 %i, i1 %c1, i1 %c2) {9; CHECK-LABEL: @test(10; CHECK-NEXT: entry:11; CHECK-NEXT: [[PTR:%.*]] = alloca [2 x i32], align 412; CHECK-NEXT: br i1 [[C1:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]13; CHECK: if:14; CHECK-NEXT: br i1 [[C2:%.*]], label [[IF2:%.*]], label [[ELSE2:%.*]]15; CHECK: if2:16; CHECK-NEXT: store i32 1, ptr [[PTR]], align 417; CHECK-NEXT: [[GEP_J_PHI_TRANS_INSERT:%.*]] = getelementptr inbounds i32, ptr [[PTR]], i64 [[I:%.*]]18; CHECK-NEXT: [[V_PRE:%.*]] = load i32, ptr [[GEP_J_PHI_TRANS_INSERT]], align 419; CHECK-NEXT: br label [[JOIN:%.*]]20; CHECK: else2:21; CHECK-NEXT: store i32 2, ptr [[PTR]], align 422; CHECK-NEXT: br label [[JOIN]]23; CHECK: join:24; CHECK-NEXT: [[V:%.*]] = phi i32 [ [[V_PRE]], [[IF2]] ], [ 2, [[ELSE2]] ]25; CHECK-NEXT: [[J:%.*]] = phi i64 [ [[I]], [[IF2]] ], [ 0, [[ELSE2]] ]26; CHECK-NEXT: [[GEP_J:%.*]] = getelementptr inbounds i32, ptr [[PTR]], i64 [[J]]27; CHECK-NEXT: ret i32 [[V]]28; CHECK: else:29; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[I]], 030; CHECK-NEXT: call void @llvm.assume(i1 [[CMP]])31; CHECK-NEXT: [[GEP_I:%.*]] = getelementptr inbounds i32, ptr [[PTR]], i64 [[I]]32; CHECK-NEXT: ret i32 033;34entry:35 %ptr = alloca [2 x i32]36 br i1 %c1, label %if, label %else37 38if:39 br i1 %c2, label %if2, label %else240 41if2:42 store i32 1, ptr %ptr43 br label %join44 45else2:46 store i32 2, ptr %ptr47 br label %join48 49join:50 %j = phi i64 [ %i, %if2 ], [ 0, %else2 ]51 %gep.j = getelementptr inbounds i32, ptr %ptr, i64 %j52 %v = load i32, ptr %gep.j53 ret i32 %v54 55else:56 %cmp = icmp ne i64 %i, 057 call void @llvm.assume(i1 %cmp)58 %gep.i = getelementptr inbounds i32, ptr %ptr, i64 %i59 ret i32 060}61 62declare void @llvm.assume(i1)63