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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -O1 < %s | FileCheck %s3; RUN: opt -S -O2 < %s | FileCheck %s4; RUN: opt -S -O3 < %s | FileCheck %s5 6define void @swap(ptr %p1, ptr %p2) {7; CHECK-LABEL: @swap(8; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr [[P1:%.*]], align 19; CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[P2:%.*]], align 110; CHECK-NEXT: store i64 [[TMP2]], ptr [[P1]], align 111; CHECK-NEXT: store i64 [[TMP1]], ptr [[P2]], align 112; CHECK-NEXT: ret void13;14 %tmp = alloca [2 x i32]15 call void @llvm.memcpy.p0.p0.i64(ptr %tmp, ptr %p1, i64 8, i1 false)16 call void @llvm.memcpy.p0.p0.i64(ptr %p1, ptr %p2, i64 8, i1 false)17 call void @llvm.memcpy.p0.p0.i64(ptr %p2, ptr %tmp, i64 8, i1 false)18 ret void19}20 21define i32 @test(i32 %n) {22; CHECK-LABEL: @test(23; CHECK-NEXT: br label [[LOOP:%.*]]24; CHECK: loop:25; CHECK-NEXT: [[P1_SROA_5_0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ [[V2_NEXT:%.*]], [[LOOP]] ]26; CHECK-NEXT: [[P1_SROA_0_0:%.*]] = phi i32 [ 0, [[TMP0]] ], [ [[V1_INC:%.*]], [[LOOP]] ]27; CHECK-NEXT: [[V1_INC]] = add i32 [[P1_SROA_0_0]], 128; CHECK-NEXT: [[V2_NEXT]] = shl i32 [[P1_SROA_5_0]], 129; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[V1_INC]], [[N:%.*]]30; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[LOOP]]31; CHECK: exit:32; CHECK-NEXT: ret i32 [[V2_NEXT]]33;34 %p1 = alloca [2 x i32]35 %p2 = alloca [2 x i32]36 %p1.2 = getelementptr i32, ptr %p1, i64 137 %p2.2 = getelementptr i32, ptr %p2, i64 138 store i32 0, ptr %p139 store i32 1, ptr %p1.240 br label %loop41 42loop:43 %v1 = load i32, ptr %p144 %v1.inc = add i32 %v1, 145 store i32 %v1.inc, ptr %p146 %v2 = load i32, ptr %p1.247 %v2.next = shl i32 %v2, 148 store i32 %v2.next, ptr %p1.249 %c = icmp eq i32 %v1.inc, %n50 br i1 %c, label %exit, label %loop51 52exit:53 call void @swap(ptr %p1, ptr %p2)54 %res = load i32, ptr %p2.255 ret i32 %res56}57 58declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)59