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40 lines
1.7 KiB
LLVM
40 lines
1.7 KiB
LLVM
; RUN: llc -O1 -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic -disable-fp-elim < %s | FileCheck %s
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; <rdar://problem/8124405>
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%struct.type = type { %struct.subtype*, i32, i8, i32, i8, i32, i32, i32, i32, i32, i8, i32, i32, i32, i32, i32, [256 x i32], i32, [257 x i32], [257 x i32], i32*, i16*, i8*, i32, i32, i32, i32, i32, [256 x i8], [16 x i8], [256 x i8], [4096 x i8], [16 x i32], [18002 x i8], [18002 x i8], [6 x [258 x i8]], [6 x [258 x i32]], [6 x [258 x i32]], [6 x [258 x i32]], [6 x i32], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32*, i32*, i32* }
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%struct.subtype = type { i8*, i32, i32, i32, i8*, i32, i32, i32, i8*, i8* (i8*, i32, i32)*, void (i8*, i8*)*, i8* }
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define i32 @func(%struct.type* %s) nounwind optsize ssp {
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entry:
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%tmp1 = getelementptr inbounds %struct.type* %s, i32 0, i32 1
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%tmp2 = load i32* %tmp1, align 8
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%tmp3 = icmp eq i32 %tmp2, 10
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%tmp4 = getelementptr inbounds %struct.type* %s, i32 0, i32 40
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br i1 %tmp3, label %bb, label %entry.bb1_crit_edge
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entry.bb1_crit_edge:
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br label %bb1
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bb:
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; The point of this code is that %rdi is set to %rdi+64036 for the rep;stosl
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; statement. It can be an ADD or LEA instruction, it's not important which one
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; it is.
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;
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; CHECK: # %bb
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; CHECK: leaq 64036(%rdx), %rdi
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; CHECK: rep;stosl
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%tmp5 = bitcast i32* %tmp4 to i8*
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call void @llvm.memset.p0i8.i64(i8* %tmp5, i8 0, i64 84, i32 4, i1 false)
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%tmp6 = getelementptr inbounds %struct.type* %s, i32 0, i32 62
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store i32* null, i32** %tmp6, align 8
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br label %bb1
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bb1:
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store i32 10, i32* %tmp1, align 8
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ret i32 42
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
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