forked from OSchip/llvm-project
51 lines
1.7 KiB
LLVM
51 lines
1.7 KiB
LLVM
; RUN: opt < %s -loop-simplify -loop-extract -S | FileCheck %s
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@choum.addr = internal unnamed_addr constant [3 x i8*] [i8* blockaddress(@choum, %bb10), i8* blockaddress(@choum, %bb14), i8* blockaddress(@choum, %bb18)]
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; CHECK: define
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; no outlined function
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; CHECK-NOT: define
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define void @choum(i32 %arg, i32* nocapture %arg1, i32 %arg2) {
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bb:
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%tmp = icmp sgt i32 %arg, 0
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br i1 %tmp, label %bb3, label %bb24
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bb3: ; preds = %bb
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%tmp4 = sext i32 %arg2 to i64
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%tmp5 = getelementptr inbounds [3 x i8*], [3 x i8*]* @choum.addr, i64 0, i64 %tmp4
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%tmp6 = load i8*, i8** %tmp5
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%tmp7 = zext i32 %arg to i64
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br label %bb8
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bb8: ; preds = %bb18, %bb3
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%tmp9 = phi i64 [ 0, %bb3 ], [ %tmp22, %bb18 ]
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indirectbr i8* %tmp6, [label %bb10, label %bb14, label %bb18]
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bb10: ; preds = %bb8
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%tmp11 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
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%tmp12 = load i32, i32* %tmp11
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%tmp13 = add nsw i32 %tmp12, 1
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store i32 %tmp13, i32* %tmp11
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br label %bb14
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bb14: ; preds = %bb10, %bb8
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%tmp15 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
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%tmp16 = load i32, i32* %tmp15
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%tmp17 = shl nsw i32 %tmp16, 1
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store i32 %tmp17, i32* %tmp15
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br label %bb18
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bb18: ; preds = %bb14, %bb8
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%tmp19 = getelementptr inbounds i32, i32* %arg1, i64 %tmp9
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%tmp20 = load i32, i32* %tmp19
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%tmp21 = add nsw i32 %tmp20, -3
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store i32 %tmp21, i32* %tmp19
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%tmp22 = add nuw nsw i64 %tmp9, 1
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%tmp23 = icmp eq i64 %tmp22, %tmp7
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br i1 %tmp23, label %bb24, label %bb8
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bb24: ; preds = %bb18, %bb
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ret void
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}
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