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; RUN: opt %s -memcpyopt -dse -S | grep {call.*initialize} | not grep memtmp
; PR2077
target 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"
target triple = "i386-pc-linux-gnu"
define internal fastcc void @initialize({ x86_fp80, x86_fp80 }* noalias sret %agg.result) nounwind {
entry:
%agg.result.03 = getelementptr { x86_fp80, x86_fp80 }* %agg.result, i32 0, i32 0 ; <x86_fp80*> [#uses=1]
store x86_fp80 0xK00000000000000000000, x86_fp80* %agg.result.03
%agg.result.15 = getelementptr { x86_fp80, x86_fp80 }* %agg.result, i32 0, i32 1 ; <x86_fp80*> [#uses=1]
store x86_fp80 0xK00000000000000000000, x86_fp80* %agg.result.15
ret void
}
declare fastcc x86_fp80 @passed_uninitialized({ x86_fp80, x86_fp80 }* %x) nounwind
define fastcc void @badly_optimized() nounwind {
entry:
%z = alloca { x86_fp80, x86_fp80 } ; <{ x86_fp80, x86_fp80 }*> [#uses=2]
%tmp = alloca { x86_fp80, x86_fp80 } ; <{ x86_fp80, x86_fp80 }*> [#uses=2]
%memtmp = alloca { x86_fp80, x86_fp80 }, align 8 ; <{ x86_fp80, x86_fp80 }*> [#uses=2]
call fastcc void @initialize( { x86_fp80, x86_fp80 }* noalias sret %memtmp )
%tmp1 = bitcast { x86_fp80, x86_fp80 }* %tmp to i8* ; <i8*> [#uses=1]
%memtmp2 = bitcast { x86_fp80, x86_fp80 }* %memtmp to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i32( i8* %tmp1, i8* %memtmp2, i32 24, i32 8 )
%z3 = bitcast { x86_fp80, x86_fp80 }* %z to i8* ; <i8*> [#uses=1]
%tmp4 = bitcast { x86_fp80, x86_fp80 }* %tmp to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i32( i8* %z3, i8* %tmp4, i32 24, i32 8 )
%tmp5 = call fastcc x86_fp80 @passed_uninitialized( { x86_fp80, x86_fp80 }* %z ) ; <x86_fp80> [#uses=0]
ret void
}
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
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