[PATCH] D109234: [PGO] Change ThinLTO test for targets with loop unrolling disabled

[Teresa Johnson via Phabricator via cfe-commits]

tejohnson added inline comments.


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Comment at: clang/test/CodeGen/pgo-sample-thinlto-summary.c:1
-// 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 -opt-bisect-limit=-1 -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 -mllvm -opt-bisect-limit=-1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
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-opt-bisect-limit seems like a roundabout way to get the pass invocations printed. How about just -mllvm -debug-pass=Structure?


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Comment at: clang/test/CodeGen/pgo-sample-thinlto-summary.c:16
 // 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
+// Checks that icp is not invoked for ThinLTO, but invoked for normal samplepgo.
+// SAMPLEPGO-LABEL: running pass ({{[0-9]+}}) {{[a-zA-Z0-9]+}} on
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Nit, consolidate this and the prior sentence.


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Comment at: clang/test/CodeGen/pgo-sample-thinlto-summary.c:28
 
-// 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();
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No need for 2 functions named "unroll" and "icp" anymore, since we are just checking the passes. Why not remove both of these, and just use bar below for checking the passes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109234/new/

https://reviews.llvm.org/D109234