llvm-project/llvm/test/Transforms/MemCpyOpt/2008-06-01-MemCpy-MemMove.ll

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; RUN: llvm-as < %s | opt -memcpyopt | llvm-dis | grep {call.*memmove.*arg1.*}
2008-06-02 05:55:55 +08:00
; PR2401
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 = "i686-pc-linux-gnu"
%struct.Info = type <{ i32, i32, i8*, i8*, i8*, [32 x i8*], i32, [32 x i32], i32, i32, i32, [32 x i32] }>
%struct.S98 = type <{ [31 x double] }>
%struct._IO_FILE = type <{ i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i32, i32, [40 x i8] }>
%struct._IO_marker = type <{ %struct._IO_marker*, %struct._IO_FILE*, i32 }>
%struct.anon = type <{ }>
%union.anon = type { }
@info = common global %struct.Info zeroinitializer, align 4 ; <%struct.Info*> [#uses=13]
@fails = common global i32 0, align 4 ; <i32*> [#uses=37]
@s98 = common global %struct.S98 zeroinitializer, align 4 ; <%struct.S98*> [#uses=2]
@a98 = common global [5 x %struct.S98] zeroinitializer, align 4 ; <[5 x %struct.S98]*> [#uses=5]
@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1]
declare void @llvm.memmove.i32(i8*, i8*, i32, i32) nounwind
define void @test98() nounwind {
entry:
%arg = alloca %struct.S98, align 8 ; <%struct.S98*> [#uses=2]
%tmp13 = alloca %struct.S98 ; <%struct.S98*> [#uses=2]
%tmp14 = alloca %struct.S98 ; <%struct.S98*> [#uses=2]
%tmp15 = alloca %struct.S98 ; <%struct.S98*> [#uses=2]
%tmp17 = alloca %struct.S98 ; <%struct.S98*> [#uses=2]
%tmp21 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp23 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp25 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp27 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp29 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp31 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
%tmp33 = alloca %struct.S98 ; <%struct.S98*> [#uses=0]
call void @llvm.memset.i32( i8* bitcast (%struct.S98* @s98 to i8*), i8 0, i32 248, i32 4 )
call void @llvm.memset.i32( i8* bitcast ([5 x %struct.S98]* @a98 to i8*), i8 0, i32 1240, i32 4 )
call void @llvm.memset.i32( i8* bitcast (%struct.Info* @info to i8*), i8 0, i32 420, i32 4 )
store i8* bitcast (%struct.S98* @s98 to i8*), i8** getelementptr (%struct.Info* @info, i32 0, i32 2)
store i8* bitcast ([5 x %struct.S98]* @a98 to i8*), i8** getelementptr (%struct.Info* @info, i32 0, i32 3)
store i8* bitcast (%struct.S98* getelementptr ([5 x %struct.S98]* @a98, i32 0, i32 3) to i8*), i8** getelementptr (%struct.Info* @info, i32 0, i32 4)
store i32 248, i32* getelementptr (%struct.Info* @info, i32 0, i32 6)
store i32 4, i32* getelementptr (%struct.Info* @info, i32 0, i32 8)
store i32 4, i32* getelementptr (%struct.Info* @info, i32 0, i32 9)
store i32 4, i32* getelementptr (%struct.Info* @info, i32 0, i32 10)
%tmp = load i32* getelementptr (%struct.Info* @info, i32 0, i32 8) ; <i32> [#uses=1]
%sub = add i32 %tmp, -1 ; <i32> [#uses=1]
%and = and i32 %sub, ptrtoint (%struct.S98* getelementptr ([5 x %struct.S98]* @a98, i32 0, i32 3) to i32) ; <i32> [#uses=1]
%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
br i1 %tobool, label %ifend, label %ifthen
ifthen: ; preds = %entry
%tmp3 = load i32* @fails ; <i32> [#uses=1]
%inc = add i32 %tmp3, 1 ; <i32> [#uses=1]
store i32 %inc, i32* @fails
br label %ifend
ifend: ; preds = %ifthen, %entry
store i8* bitcast (double* getelementptr (%struct.S98* @s98, i32 0, i32 0, i32 18) to i8*), i8** getelementptr (%struct.Info* @info, i32 0, i32 5, i32 0)
store i32 8, i32* getelementptr (%struct.Info* @info, i32 0, i32 7, i32 0)
store i32 4, i32* getelementptr (%struct.Info* @info, i32 0, i32 11, i32 0)
store double 0xC1075E4620000000, double* getelementptr (%struct.S98* @s98, i32 0, i32 0, i32 18)
store double 0x410CD219E0000000, double* getelementptr ([5 x %struct.S98]* @a98, i32 0, i32 2, i32 0, i32 18)
store i32 1, i32* getelementptr (%struct.Info* @info, i32 0, i32 0)
store i32 0, i32* getelementptr (%struct.Info* @info, i32 0, i32 1)
%tmp16 = bitcast %struct.S98* %tmp15 to i8* ; <i8*> [#uses=1]
call void @llvm.memmove.i32( i8* %tmp16, i8* bitcast (%struct.S98* @s98 to i8*), i32 248, i32 4 )
%tmp18 = bitcast %struct.S98* %tmp17 to i8* ; <i8*> [#uses=1]
call void @llvm.memmove.i32( i8* %tmp18, i8* bitcast (%struct.S98* getelementptr ([5 x %struct.S98]* @a98, i32 0, i32 2) to i8*), i32 248, i32 4 )
call void @check98( %struct.S98* sret %tmp14, %struct.S98* byval %tmp15, %struct.S98* getelementptr ([5 x %struct.S98]* @a98, i32 0, i32 1), %struct.S98* byval %tmp17 )
%tmp19 = bitcast %struct.S98* %tmp13 to i8* ; <i8*> [#uses=1]
%tmp20 = bitcast %struct.S98* %tmp14 to i8* ; <i8*> [#uses=1]
call void @llvm.memmove.i32( i8* %tmp19, i8* %tmp20, i32 248, i32 8 )
%tmp1 = bitcast %struct.S98* %arg to i8* ; <i8*> [#uses=1]
%tmp2 = bitcast %struct.S98* %tmp13 to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i64( i8* %tmp1, i8* %tmp2, i64 248, i32 8 )
%arrayidx.i = getelementptr %struct.S98* %arg, i32 0, i32 0, i32 18 ; <double*> [#uses=1]
%tmp1.i = load double* %arrayidx.i, align 8 ; <double> [#uses=1]
%tmp2.i = load double* getelementptr (%struct.S98* @s98, i32 0, i32 0, i32 18) ; <double> [#uses=1]
%cmp.i = fcmp une double %tmp1.i, %tmp2.i ; <i1> [#uses=1]
br i1 %cmp.i, label %ifthen.i, label %checkx98.exit
ifthen.i: ; preds = %ifend
%tmp3.i = load i32* @fails ; <i32> [#uses=1]
%inc.i = add i32 %tmp3.i, 1 ; <i32> [#uses=1]
store i32 %inc.i, i32* @fails
br label %checkx98.exit
checkx98.exit: ; preds = %ifthen.i, %ifend
ret void
}
declare void @check98(%struct.S98* sret %agg.result, %struct.S98* byval %arg0, %struct.S98* %arg1, %struct.S98* byval %arg2) nounwind
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
declare i32 @main() noreturn
declare i32 @fflush(%struct._IO_FILE*)
declare void @abort() noreturn nounwind
declare void @exit(i32) noreturn nounwind
declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind
declare void @llvm.memcpy.i64(i8*, i8*, i64, i32) nounwind