diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-01-02 19:17:04 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-01-02 19:17:04 +0000 |
| commit | b915e9e0fc85ba6f398b3fab0db6a81a8913af94 (patch) | |
| tree | 98b8f811c7aff2547cab8642daf372d6c59502fb /test/Transforms/CodeExtractor | |
| parent | 6421cca32f69ac849537a3cff78c352195e99f1b (diff) | |
Notes
Diffstat (limited to 'test/Transforms/CodeExtractor')
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 + |
