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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -S -O2 < %s | FileCheck %s3 4declare void @do_something(ptr %a)5 6; We want only one memset in the if block (rather than only one memset in7; the entry block).8define void @test(i1 %c) {9; CHECK-LABEL: define void @test(10; CHECK-SAME: i1 [[C:%.*]]) local_unnamed_addr {11; CHECK-NEXT: [[A:%.*]] = alloca [32 x i8], align 112; CHECK-NEXT: br i1 [[C]], label %[[IF:.*]], label %[[COMMON_RET:.*]]13; CHECK: [[COMMON_RET]]:14; CHECK-NEXT: ret void15; CHECK: [[IF]]:16; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(32) [[A]], i8 0, i64 32, i1 false)17; CHECK-NEXT: call void @do_something(ptr nonnull [[A]])18; CHECK-NEXT: br label %[[COMMON_RET]]19;20 %a = alloca [32 x i8]21 call void @llvm.memset(ptr %a, i8 0, i64 32, i1 false)22 br i1 %c, label %if, label %else23if:24 call void @llvm.memset(ptr %a, i8 0, i64 32, i1 false)25 call void @do_something(ptr %a)26 ret void27 28else:29 ret void30}31