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llvm-mirror/test/Transforms/MemCpyOpt/2008-02-24-MultipleUseofSRet.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

35 lines
1.8 KiB
LLVM

; 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