[PATCH] D109234: [PGO] Change ThinLTO test for targets with loop unrolling disabled
Thomas Preud'homme via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 16 03:13:20 PDT 2021
This revision was automatically updated to reflect the committed changes.
Closed by commit rG005fc11ebdd6: [PGO] Change ThinLTO test for targets with loop unrolling disabled (authored by Sherwin da Cruz <59867245+sherwin-dc at users.noreply.github.com>, committed by thopre).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D109234/new/
https://reviews.llvm.org/D109234
Files:
clang/test/CodeGen/pgo-sample-thinlto-summary.c
Index: clang/test/CodeGen/pgo-sample-thinlto-summary.c
===================================================================
--- clang/test/CodeGen/pgo-sample-thinlto-summary.c
+++ clang/test/CodeGen/pgo-sample-thinlto-summary.c
@@ -1,9 +1,7 @@
-// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO
-// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
-// RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO
-// RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
-// Checks if hot call is inlined by normal compile, but not inlined by
-// thinlto compile.
+// RUN: %clang_cc1 -mllvm -debug-pass=Structure -O2 -fno-experimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO-OLDPM
+// RUN: %clang_cc1 -mllvm -debug-pass=Structure -O2 -fno-experimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO-OLDPM
+// RUN: %clang_cc1 -fdebug-pass-manager -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO
+// RUN: %clang_cc1 -fdebug-pass-manager -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
int baz(int);
int g;
@@ -13,6 +11,27 @@
g += baz(i);
}
+// Checks that loop unroll and icp are invoked by normal compile, but not thinlto compile.
+
+// SAMPLEPGO: Running pass: PGOIndirectCallPromotion on [module]
+// SAMPLEPGO: Running pass: LoopUnrollPass on bar
+
+// SAMPLEPGO-OLDPM: PGOIndirectCallPromotion
+// SAMPLEPGO-OLDPM: Unroll loops
+// SAMPLEPGO-OLDPM: Unroll loops
+
+// THINLTO-NOT: Running pass: PGOIndirectCallPromotion on [module]
+// THINLTO-NOT: Running pass: LoopUnrollPass on bar
+
+// THINLTO-OLDPM-NOT: PGOIndirectCallPromotion
+// The first Unroll loop pass is the createSimpleLoopUnrollPass that unrolls and peels
+// loops with small constant trip counts. The second one is skipped by ThinLTO.
+// THINLTO-OLDPM: Unroll loops
+// THINLTO-OLDPM-NOT: Unroll loops
+
+
+// Checks if hot call is inlined by normal compile, but not inlined by
+// thinlto compile.
// SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar
// THINLTO-LABEL: define {{(dso_local )?}}void @bar
// SAMPLEPGO-NOT: call{{.*}}foo
@@ -20,27 +39,4 @@
void bar(int n) {
for (int i = 0; i < n; i++)
foo(i);
-}
-
-// Checks if loop unroll is invoked by normal compile, but not thinlto compile.
-// SAMPLEPGO-LABEL: define {{(dso_local )?}}void @unroll
-// THINLTO-LABEL: define {{(dso_local )?}}void @unroll
-// SAMPLEPGO: call{{.*}}baz
-// SAMPLEPGO: call{{.*}}baz
-// THINLTO: call{{.*}}baz
-// THINLTO-NOT: call{{.*}}baz
-void unroll() {
- for (int i = 0; i < 2; i++)
- baz(i);
-}
-
-// Checks that icp is not invoked for ThinLTO, but invoked for normal samplepgo.
-// SAMPLEPGO-LABEL: define {{(dso_local )?}}void @icp
-// THINLTO-LABEL: define {{(dso_local )?}}void @icp
-// SAMPLEPGO: if.true.direct_targ
-// FIXME: the following condition needs to be reversed once
-// LTOPreLinkDefaultPipeline is customized.
-// THINLTO-NOT: if.true.direct_targ
-void icp(void (*p)()) {
- p();
-}
+}
\ No newline at end of file
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D109234.372888.patch
Type: text/x-patch
Size: 3864 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20210916/154e71ab/attachment.bin>
More information about the cfe-commits
mailing list