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[clang][NewPM] Remove exception handling before loading pgo sample profile data 

This patch ensures that SimplifyCFGPass comes before SampleProfileLoaderPass
on PGO runs in the new PM and fixes clang/test/CodeGen/pgo-sample.c.

Differential Revision: https://reviews.llvm.org/D63626

llvm-svn: 364201
This commit is contained in:
Leonard Chan 2019-06-24 16:44:27 +00:00
parent cf6917c6bd
commit f948f6b862
1 changed files with 10 additions and 3 deletions
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13
clang/test/CodeGen/pgo-sample.c
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@ -1,6 +1,13 @@
// Test if PGO sample use passes are invoked.
//
// Ensure Pass PGOInstrumentationGenPass is invoked.
// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s
// CHECK: Remove unused exception handling info
// CHECK: Sample profile pass
// RUN: %clang_cc1 -O2 -fno-experimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=LEGACY
// RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=NEWPM
// LEGACY: Remove unused exception handling info
// LEGACY: Sample profile pass
// NEWPM: SimplifyCFGPass
// NEWPM: SampleProfileLoaderPass
int func(int a) { return a; }