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-rw-r--r--llvm/test/Transforms/CodeGenPrepare/skip-merging-case-block.ll200
1 files changed, 0 insertions, 200 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/skip-merging-case-block.ll b/llvm/test/Transforms/CodeGenPrepare/skip-merging-case-block.ll
deleted file mode 100644
index 194c86b8c04..00000000000
--- a/llvm/test/Transforms/CodeGenPrepare/skip-merging-case-block.ll
+++ /dev/null
@@ -1,200 +0,0 @@
-; RUN: opt -codegenprepare < %s -mtriple=aarch64-none-linux-gnu -S | FileCheck %s
-
-target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
-target triple = "aarch64--linux-gnu"
-
-; Expect to skip merging two empty blocks (sw.bb and sw.bb2) into sw.epilog
-; as both of them are unlikely executed.
-define i32 @f_switch(i32 %c) {
-; CHECK-LABEL: @f_switch
-; CHECK-LABEL: entry:
-; CHECK: i32 10, label %sw.bb
-; CHECK: i32 20, label %sw.bb2
-entry:
- switch i32 %c, label %sw.default [
- i32 10, label %sw.bb
- i32 20, label %sw.bb2
- i32 30, label %sw.bb3
- i32 40, label %sw.bb4
- ], !prof !0
-
-sw.bb: ; preds = %entry
- br label %sw.epilog
-
-sw.bb2: ; preds = %entry
- br label %sw.epilog
-
-sw.bb3: ; preds = %entry
- call void bitcast (void (...)* @callcase3 to void ()*)()
- br label %sw.epilog
-
-sw.bb4: ; preds = %entry
- call void bitcast (void (...)* @callcase4 to void ()*)()
- br label %sw.epilog
-
-sw.default: ; preds = %entry
- call void bitcast (void (...)* @calldefault to void ()*)()
- br label %sw.epilog
-
-; CHECK-LABEL: sw.epilog:
-; CHECK: %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F2, %sw.bb2 ], [ @F1, %sw.bb ]
-sw.epilog: ; preds = %sw.default, %sw.bb3, %sw.bb2, %sw.bb
- %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F2, %sw.bb2 ], [ @F1, %sw.bb ]
- %callee.knr.cast = bitcast void (...)* %fp.0 to void ()*
- call void %callee.knr.cast()
- ret i32 0
-}
-
-; Expect not to merge sw.bb2 because of the conflict in the incoming value from
-; sw.bb which is already merged.
-define i32 @f_switch2(i32 %c) {
-; CHECK-LABEL: @f_switch2
-; CHECK-LABEL: entry:
-; CHECK: i32 10, label %sw.epilog
-; CHECK: i32 20, label %sw.bb2
-entry:
- switch i32 %c, label %sw.default [
- i32 10, label %sw.bb
- i32 20, label %sw.bb2
- i32 30, label %sw.bb3
- i32 40, label %sw.bb4
- ], !prof !1
-
-sw.bb: ; preds = %entry
- br label %sw.epilog
-
-sw.bb2: ; preds = %entry
- br label %sw.epilog
-
-sw.bb3: ; preds = %entry
- call void bitcast (void (...)* @callcase3 to void ()*)()
- br label %sw.epilog
-
-sw.bb4: ; preds = %entry
- call void bitcast (void (...)* @callcase4 to void ()*)()
- br label %sw.epilog
-
-sw.default: ; preds = %entry
- call void bitcast (void (...)* @calldefault to void ()*)()
- br label %sw.epilog
-
-; CHECK-LABEL: sw.epilog:
-; CHECK: %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F2, %sw.bb2 ], [ @F1, %entry ]
-sw.epilog: ; preds = %sw.default, %sw.bb3, %sw.bb2, %sw.bb
- %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F2, %sw.bb2 ], [ @F1, %sw.bb ]
- %callee.knr.cast = bitcast void (...)* %fp.0 to void ()*
- call void %callee.knr.cast()
- ret i32 0
-}
-
-; Multiple empty blocks should be considered together if all incoming values
-; from them are same. We expect to merge both empty blocks (sw.bb and sw.bb2)
-; because the sum of frequencies are higer than the threshold.
-define i32 @f_switch3(i32 %c) {
-; CHECK-LABEL: @f_switch3
-; CHECK-LABEL: entry:
-; CHECK: i32 10, label %sw.epilog
-; CHECK: i32 20, label %sw.epilog
-entry:
- switch i32 %c, label %sw.default [
- i32 10, label %sw.bb
- i32 20, label %sw.bb2
- i32 30, label %sw.bb3
- i32 40, label %sw.bb4
- ], !prof !2
-
-sw.bb: ; preds = %entry
- br label %sw.epilog
-
-sw.bb2: ; preds = %entry
- br label %sw.epilog
-
-sw.bb3: ; preds = %entry
- call void bitcast (void (...)* @callcase3 to void ()*)()
- br label %sw.epilog
-
-sw.bb4: ; preds = %entry
- call void bitcast (void (...)* @callcase4 to void ()*)()
- br label %sw.epilog
-
-sw.default: ; preds = %entry
- call void bitcast (void (...)* @calldefault to void ()*)()
- br label %sw.epilog
-
-; CHECK-LABEL: sw.epilog:
-; CHECK: %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F1, %entry ], [ @F1, %entry ]
-sw.epilog: ; preds = %sw.default, %sw.bb3, %sw.bb2, %sw.bb
- %fp.0 = phi void (...)* [ @FD, %sw.default ], [ @F4, %sw.bb4 ], [ @F3, %sw.bb3 ], [ @F1, %sw.bb2 ], [ @F1, %sw.bb ]
- %callee.knr.cast = bitcast void (...)* %fp.0 to void ()*
- call void %callee.knr.cast()
- ret i32 0
-}
-
-declare void @F1(...) local_unnamed_addr
-declare void @F2(...) local_unnamed_addr
-declare void @F3(...) local_unnamed_addr
-declare void @F4(...) local_unnamed_addr
-declare void @FD(...) local_unnamed_addr
-declare void @callcase3(...) local_unnamed_addr
-declare void @callcase4(...) local_unnamed_addr
-declare void @calldefault(...) local_unnamed_addr
-
-!0 = !{!"branch_weights", i32 5, i32 1, i32 1,i32 5, i32 5}
-!1 = !{!"branch_weights", i32 1 , i32 5, i32 1,i32 1, i32 1}
-!2 = !{!"branch_weights", i32 1 , i32 4, i32 1,i32 1, i32 1}
-
-
-; This test that BFI/BPI is created without any assertion in isMergingEmptyBlockProfitable()
-; in the case where empty blocks are removed before creating BFI/BPI.
-@b = common global i32 0, align 4
-@a = common global i32* null, align 8
-define i32 @should_not_assert(i32 %i) local_unnamed_addr {
-entry:
- %0 = load i32, i32* @b, align 4
- %cond = icmp eq i32 %0, 6
- br i1 %cond, label %while.cond.preheader, label %sw.epilog
-
-while.cond.preheader: ; preds = %entry
- %1 = load i32*, i32** @a, align 8
- %magicptr = ptrtoint i32* %1 to i64
- %arrayidx = getelementptr inbounds i32, i32* %1, i64 1
- br label %while.cond
-
-while.cond: ; preds = %while.cond.preheader, %land.rhs
- switch i64 %magicptr, label %land.rhs [
- i64 32, label %while.cond2.loopexit
- i64 0, label %while.cond2.loopexit
- ]
-
-land.rhs: ; preds = %while.cond
- %2 = load i32, i32* %arrayidx, align 4
- %tobool1 = icmp eq i32 %2, 0
- br i1 %tobool1, label %while.cond2thread-pre-split.loopexit, label %while.cond
-
-while.cond2thread-pre-split.loopexit: ; preds = %land.rhs
- br label %while.cond2thread-pre-split
-
-while.cond2thread-pre-split: ; preds = %while.cond2thread-pre-split.loopexit, %while.body4
- %.pr = phi i32* [ %.pr.pre, %while.body4 ], [ %1, %while.cond2thread-pre-split.loopexit ]
- br label %while.cond2
-
-while.cond2.loopexit: ; preds = %while.cond, %while.cond
- br label %while.cond2
-
-while.cond2: ; preds = %while.cond2.loopexit, %while.cond2thread-pre-split
- %3 = phi i32* [ %.pr, %while.cond2thread-pre-split ], [ %1, %while.cond2.loopexit ]
- %tobool3 = icmp eq i32* %3, null
- br i1 %tobool3, label %sw.epilog, label %while.body4
-
-while.body4: ; preds = %while.cond2
- tail call void bitcast (void (...)* @fn2 to void ()*)()
- %.pr.pre = load i32*, i32** @a, align 8
- br label %while.cond2thread-pre-split
-
-sw.epilog: ; preds = %while.cond2, %entry
- ret i32 undef
-}
-
-
-declare void @fn2(...) local_unnamed_addr
-
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