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authorDimitry Andric <dim@FreeBSD.org>2017-01-02 19:17:04 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-01-02 19:17:04 +0000
commitb915e9e0fc85ba6f398b3fab0db6a81a8913af94 (patch)
tree98b8f811c7aff2547cab8642daf372d6c59502fb /test/Transforms/CodeExtractor
parent6421cca32f69ac849537a3cff78c352195e99f1b (diff)
Notes
Diffstat (limited to 'test/Transforms/CodeExtractor')
-rw-r--r--test/Transforms/CodeExtractor/ExtractedFnEntryCount.ll33
-rw-r--r--test/Transforms/CodeExtractor/MultipleExitBranchProb.ll34
-rw-r--r--test/Transforms/CodeExtractor/X86/InheritTargetAttributes.ll40
-rw-r--r--test/Transforms/CodeExtractor/X86/lit.local.cfg3
4 files changed, 110 insertions, 0 deletions
diff --git a/test/Transforms/CodeExtractor/ExtractedFnEntryCount.ll b/test/Transforms/CodeExtractor/ExtractedFnEntryCount.ll
new file mode 100644
index 000000000000..509a4d7bfa18
--- /dev/null
+++ b/test/Transforms/CodeExtractor/ExtractedFnEntryCount.ll
@@ -0,0 +1,33 @@
+; RUN: opt < %s -partial-inliner -S | FileCheck %s
+
+; This test checks to make sure that the CodeExtractor
+; properly sets the entry count for the function that is
+; extracted based on the root block being extracted and also
+; takes into consideration if the block has edges coming from
+; a block that is also being extracted.
+
+define i32 @inlinedFunc(i1 %cond) !prof !1 {
+entry:
+ br i1 %cond, label %if.then, label %return, !prof !2
+if.then:
+ br i1 %cond, label %if.then, label %return, !prof !3
+return: ; preds = %entry
+ ret i32 0
+}
+
+
+define internal i32 @dummyCaller(i1 %cond) !prof !1 {
+entry:
+ %val = call i32 @inlinedFunc(i1 %cond)
+ ret i32 %val
+}
+
+; CHECK: @inlinedFunc.1_if.then(i1 %cond) !prof [[COUNT1:![0-9]+]]
+
+
+!llvm.module.flags = !{!0}
+; CHECK: [[COUNT1]] = !{!"function_entry_count", i64 250}
+!0 = !{i32 1, !"MaxFunctionCount", i32 1000}
+!1 = !{!"function_entry_count", i64 1000}
+!2 = !{!"branch_weights", i32 250, i32 750}
+!3 = !{!"branch_weights", i32 125, i32 125}
diff --git a/test/Transforms/CodeExtractor/MultipleExitBranchProb.ll b/test/Transforms/CodeExtractor/MultipleExitBranchProb.ll
new file mode 100644
index 000000000000..e37b7e636450
--- /dev/null
+++ b/test/Transforms/CodeExtractor/MultipleExitBranchProb.ll
@@ -0,0 +1,34 @@
+; RUN: opt < %s -partial-inliner -S | FileCheck %s
+
+; This test checks to make sure that CodeExtractor updates
+; the exit branch probabilities for multiple exit blocks.
+
+define i32 @inlinedFunc(i1 %cond) !prof !1 {
+entry:
+ br i1 %cond, label %if.then, label %return, !prof !2
+if.then:
+ br i1 %cond, label %return, label %return.2, !prof !3
+return.2:
+ ret i32 10
+return: ; preds = %entry
+ ret i32 0
+}
+
+
+define internal i32 @dummyCaller(i1 %cond) !prof !1 {
+entry:
+%val = call i32 @inlinedFunc(i1 %cond)
+ret i32 %val
+
+; CHECK-LABEL: @dummyCaller
+; CHECK: call
+; CHECK-NEXT: br i1 {{.*}}!prof [[COUNT1:![0-9]+]]
+}
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 1, !"MaxFunctionCount", i32 10000}
+!1 = !{!"function_entry_count", i64 10000}
+!2 = !{!"branch_weights", i32 5, i32 5}
+!3 = !{!"branch_weights", i32 4, i32 1}
+
+; CHECK: [[COUNT1]] = !{!"branch_weights", i32 8, i32 31}
diff --git a/test/Transforms/CodeExtractor/X86/InheritTargetAttributes.ll b/test/Transforms/CodeExtractor/X86/InheritTargetAttributes.ll
new file mode 100644
index 000000000000..41d883c8c378
--- /dev/null
+++ b/test/Transforms/CodeExtractor/X86/InheritTargetAttributes.ll
@@ -0,0 +1,40 @@
+; RUN: opt < %s -partial-inliner | llc -filetype=null
+; RUN: opt < %s -partial-inliner -S | FileCheck %s
+; This testcase checks to see if CodeExtractor properly inherits
+; target specific attributes for the extracted function. This can
+; cause certain instructions that depend on the attributes to not
+; be lowered. Like in this test where we try to 'select' the blendvps
+; intrinsic on x86 that requires the +sse4.1 target feature.
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind readnone
+declare <4 x float> @llvm.x86.sse41.blendvps(<4 x float>, <4 x float>, <4 x float>) #0
+
+; Function Attrs: nounwind uwtable
+define <4 x float> @inlinedFunc(i1, <4 x float>, <4 x float>, <4 x float>) #1 {
+entry:
+ br i1 %0, label %if.then, label %return
+if.then:
+; Target intrinsic that requires sse4.1
+ %target.call = call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> %1, <4 x float> %2, <4 x float> %3)
+ br label %return
+return: ; preds = %entry
+ %retval = phi <4 x float> [ zeroinitializer, %entry ], [ %target.call, %if.then ]
+ ret <4 x float> %retval
+}
+
+; Function Attrs: nounwind uwtable
+define <4 x float> @dummyCaller(i1, <4 x float>, <4 x float>, <4 x float>) #1 {
+entry:
+ %val = call <4 x float> @inlinedFunc(i1 %0, <4 x float> %1, <4 x float> %2, <4 x float> %3)
+ ret <4 x float> %val
+}
+
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind uwtable "target-cpu"="x86-64" "target-features"="+sse4.1" }
+
+; CHECK: define {{.*}} @inlinedFunc.1_if.then{{.*}} [[COUNT1:#[0-9]+]]
+; CHECK: [[COUNT1]] = { {{.*}} "target-cpu"="x86-64" "target-features"="+sse4.1" }
diff --git a/test/Transforms/CodeExtractor/X86/lit.local.cfg b/test/Transforms/CodeExtractor/X86/lit.local.cfg
new file mode 100644
index 000000000000..e71f3cc4c41e
--- /dev/null
+++ b/test/Transforms/CodeExtractor/X86/lit.local.cfg
@@ -0,0 +1,3 @@
+if not 'X86' in config.root.targets:
+ config.unsupported = True
+