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authorXinliang David Li <davidxl@google.com>2017-05-12 23:41:43 +0000
committerXinliang David Li <davidxl@google.com>2017-05-12 23:41:43 +0000
commit66bdfca77a5ecf1abe45b2db20ea2deda610b96b (patch)
tree25e657160c06410c6facd195c636d48dffda30a5 /llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll
parent3f6dd7a86c8c30d65b661f6cb90618c78e9c2c38 (diff)
downloadbcm5719-llvm-66bdfca77a5ecf1abe45b2db20ea2deda610b96b.tar.gz
bcm5719-llvm-66bdfca77a5ecf1abe45b2db20ea2deda610b96b.zip
[PartialInlining] Profile based cost analysis
Implemented frequency based cost/saving analysis and related options. The pass is now in a state ready to be turne on in the pipeline (in follow up). Differential Revision: http://reviews.llvm.org/D32783 llvm-svn: 302967
Diffstat (limited to 'llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll')
-rw-r--r--llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll41
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll b/llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll
new file mode 100644
index 00000000000..3a7a9752e50
--- /dev/null
+++ b/llvm/test/Transforms/CodeExtractor/PartialInlineEntryUpdate.ll
@@ -0,0 +1,41 @@
+; RUN: opt < %s -skip-partial-inlining-cost-analysis -partial-inliner -S | FileCheck %s
+; RUN: opt < %s -skip-partial-inlining-cost-analysis -passes=partial-inliner -S | FileCheck %s
+
+define i32 @Func(i1 %cond, i32* align 4 %align.val) !prof !1 {
+; CHECK: @Func({{.*}}) !prof [[REMAINCOUNT:![0-9]+]]
+entry:
+ br i1 %cond, label %if.then, label %return
+if.then:
+ ; Dummy store to have more than 0 uses
+ store i32 10, i32* %align.val, align 4
+ br label %return
+return: ; preds = %entry
+ ret i32 0
+}
+
+define internal i32 @Caller1(i1 %cond, i32* align 2 %align.val) !prof !3{
+entry:
+; CHECK-LABEL: @Caller1
+; CHECK: br
+; CHECK: call void @Func.1_
+; CHECK: br
+; CHECK: call void @Func.1_
+ %val = call i32 @Func(i1 %cond, i32* %align.val)
+ %val2 = call i32 @Func(i1 %cond, i32* %align.val)
+ ret i32 %val
+}
+
+define internal i32 @Caller2(i1 %cond, i32* align 2 %align.val) !prof !2{
+entry:
+; CHECK-LABEL: @Caller2
+; CHECK: br
+; CHECK: call void @Func.1_
+ %val = call i32 @Func(i1 %cond, i32* %align.val)
+ ret i32 %val
+}
+
+; CHECK: [[REMAINCOUNT]] = !{!"function_entry_count", i64 150}
+!1 = !{!"function_entry_count", i64 200}
+!2 = !{!"function_entry_count", i64 10}
+!3 = !{!"function_entry_count", i64 20}
+
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