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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=memcpyopt,dse -S -verify-memoryssa | FileCheck %s3; PR20774 5target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"6target triple = "i386-pc-linux-gnu"7 8%0 = type { x86_fp80, x86_fp80 }9 10define internal fastcc void @initialize(ptr noalias nocapture sret(%0) %agg.result) nounwind {11; CHECK-LABEL: @initialize(12; CHECK-NEXT: entry:13; CHECK-NEXT: store x86_fp80 0xK00000000000000000000, ptr [[AGG_RESULT:%.*]], align 414; CHECK-NEXT: [[AGG_RESULT_15:%.*]] = getelementptr [[TMP0:%.*]], ptr [[AGG_RESULT]], i32 0, i32 115; CHECK-NEXT: store x86_fp80 0xK00000000000000000000, ptr [[AGG_RESULT_15]], align 416; CHECK-NEXT: ret void17;18entry:19 store x86_fp80 0xK00000000000000000000, ptr %agg.result20 %agg.result.15 = getelementptr %0, ptr %agg.result, i32 0, i32 121 store x86_fp80 0xK00000000000000000000, ptr %agg.result.1522 ret void23}24 25declare fastcc x86_fp80 @passed_uninitialized(ptr nocapture) nounwind26 27define fastcc void @badly_optimized() nounwind {28; CHECK-LABEL: @badly_optimized(29; CHECK-NEXT: entry:30; CHECK-NEXT: [[Z:%.*]] = alloca [[TMP0:%.*]], align 831; CHECK-NEXT: [[TMP:%.*]] = alloca [[TMP0]], align 832; CHECK-NEXT: [[MEMTMP:%.*]] = alloca [[TMP0]], align 833; CHECK-NEXT: call fastcc void @initialize(ptr noalias sret([[TMP0]]) [[Z]])34; CHECK-NEXT: [[TMP5:%.*]] = call fastcc x86_fp80 @passed_uninitialized(ptr [[Z]])35; CHECK-NEXT: ret void36;37entry:38 %z = alloca %039 %tmp = alloca %040 %memtmp = alloca %0, align 841 call fastcc void @initialize(ptr noalias sret(%0) %memtmp)42 call void @llvm.memcpy.p0.p0.i32(ptr align 8 %tmp, ptr align 8 %memtmp, i32 24, i1 false)43 call void @llvm.memcpy.p0.p0.i32(ptr align 8 %z, ptr align 8 %tmp, i32 24, i1 false)44 %tmp5 = call fastcc x86_fp80 @passed_uninitialized(ptr %z)45 ret void46}47 48declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind49