forked from OSchip/llvm-project
47 lines
1.9 KiB
LLVM
47 lines
1.9 KiB
LLVM
; RUN: opt < %s -gvn -dse -S | grep {call.*memcpy.*cell} | count 2
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; PR2099
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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-f80:128:128"
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target triple = "i686-apple-darwin9"
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%struct.s = type { [11 x i8], i32 }
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@.str = internal constant [11 x i8] c"0123456789\00" ; <[11 x i8]*> [#uses=1]
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@cell = weak global %struct.s zeroinitializer ; <%struct.s*> [#uses=2]
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declare i32 @check(%struct.s* byval %p) nounwind
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declare i32 @strcmp(i8*, i8*) nounwind readonly
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define i32 @main() noreturn nounwind {
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entry:
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%p = alloca %struct.s, align 8 ; <%struct.s*> [#uses=2]
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store i32 99, i32* getelementptr (%struct.s* @cell, i32 0, i32 1), align 4
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call void @llvm.memcpy.i32( i8* getelementptr (%struct.s* @cell, i32 0, i32 0, i32 0), i8* getelementptr ([11 x i8]* @.str, i32 0, i32 0), i32 11, i32 1 )
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%tmp = getelementptr %struct.s* %p, i32 0, i32 0, i32 0 ; <i8*> [#uses=2]
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call void @llvm.memcpy.i64( i8* %tmp, i8* getelementptr (%struct.s* @cell, i32 0, i32 0, i32 0), i64 16, i32 8 )
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%tmp1.i = getelementptr %struct.s* %p, i32 0, i32 1 ; <i32*> [#uses=1]
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%tmp2.i = load i32* %tmp1.i, align 4 ; <i32> [#uses=1]
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%tmp3.i = icmp eq i32 %tmp2.i, 99 ; <i1> [#uses=1]
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br i1 %tmp3.i, label %bb5.i, label %bb
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bb5.i: ; preds = %entry
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%tmp91.i = call i32 @strcmp( i8* %tmp, i8* getelementptr ([11 x i8]* @.str, i32 0, i32 0) ) nounwind readonly ; <i32> [#uses=1]
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%tmp53 = icmp eq i32 %tmp91.i, 0 ; <i1> [#uses=1]
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br i1 %tmp53, label %bb7, label %bb
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bb: ; preds = %bb5.i, %entry
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call void @abort( ) noreturn nounwind
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unreachable
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bb7: ; preds = %bb5.i
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call void @exit( i32 0 ) noreturn nounwind
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unreachable
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}
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declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
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declare void @abort() noreturn nounwind
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declare void @exit(i32) noreturn nounwind
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declare void @llvm.memcpy.i64(i8*, i8*, i64, i32) nounwind
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