[compiler-rt] r306232 - [PGO] Implementate profile counter regiser promotion (test case)
Xinliang David Li via llvm-commits
llvm-commits at lists.llvm.org
Sat Jun 24 17:27:09 PDT 2017
Author: davidxl
Date: Sat Jun 24 17:27:09 2017
New Revision: 306232
URL: http://llvm.org/viewvc/llvm-project?rev=306232&view=rev
Log:
[PGO] Implementate profile counter regiser promotion (test case)
Differential Revision: http://reviews.llvm.org/D34085
Added:
compiler-rt/trunk/test/profile/Linux/counter_promo_for.c
compiler-rt/trunk/test/profile/Linux/counter_promo_while.c
Added: compiler-rt/trunk/test/profile/Linux/counter_promo_for.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Linux/counter_promo_for.c?rev=306232&view=auto
==============================================================================
--- compiler-rt/trunk/test/profile/Linux/counter_promo_for.c (added)
+++ compiler-rt/trunk/test/profile/Linux/counter_promo_for.c Sat Jun 24 17:27:09 2017
@@ -0,0 +1,59 @@
+// RUN: rm -fr %t.promo.prof
+// RUN: rm -fr %t.nopromo.prof
+// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen -O2 %s
+// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen.ll -emit-llvm -S -O2 %s
+// RUN: cat %t.promo.gen.ll | FileCheck --check-prefix=PROMO %s
+// RUN: %run %t.promo.gen
+// RUN: llvm-profdata merge -o %t.promo.profdata %t.promo.prof/
+// RUN: llvm-profdata show --counts --all-functions %t.promo.profdata > %t.promo.dump
+// RUN: %clang_pgogen=%t.nopromo.prof/ -mllvm -do-counter-promotion=false -o %t.nopromo.gen -O2 %s
+// RUN: %clang_pgogen=%t.nopromo.prof/ -mllvm -do-counter-promotion=false -o %t.nopromo.gen.ll -emit-llvm -S -O2 %s
+// RUN: cat %t.nopromo.gen.ll | FileCheck --check-prefix=NOPROMO %s
+// RUN: %run %t.nopromo.gen
+// RUN: llvm-profdata merge -o %t.nopromo.profdata %t.nopromo.prof/
+// RUN: llvm-profdata show --counts --all-functions %t.nopromo.profdata > %t.nopromo.dump
+// RUN: diff %t.promo.profdata %t.nopromo.profdata
+
+int g;
+__attribute__((noinline)) void bar(int i) { g += i; }
+
+__attribute__((noinline)) void foo(int n, int N) {
+// PROMO-LABEL: @foo
+// PROMO: load{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// PROMO-NEXT: load{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// PROMO-NEXT: load{{.*}}@__profc_foo{{.*}} 2){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 2){{.*}}
+// PROMO: load{{.*}}@__profc_foo{{.*}} 3){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 3){{.*}}
+//
+// NOPROMO-LABEL: @foo
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 2){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 2){{.*}}
+ int i;
+ for (i = 0; i < N; i++) {
+ if (i < n + 1)
+ bar(1);
+ else if (i < n - 1)
+ bar(2);
+ else
+ bar(3);
+ }
+}
+
+int main() {
+ foo(10, 20);
+ return 0;
+}
Added: compiler-rt/trunk/test/profile/Linux/counter_promo_while.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Linux/counter_promo_while.c?rev=306232&view=auto
==============================================================================
--- compiler-rt/trunk/test/profile/Linux/counter_promo_while.c (added)
+++ compiler-rt/trunk/test/profile/Linux/counter_promo_while.c Sat Jun 24 17:27:09 2017
@@ -0,0 +1,55 @@
+// RUN: rm -fr %t.promo.prof
+// RUN: rm -fr %t.nopromo.prof
+// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen -O2 %s
+// RUN: %clang_pgogen=%t.promo.prof/ -o %t.promo.gen.ll -emit-llvm -S -O2 %s
+// RUN: cat %t.promo.gen.ll | FileCheck --check-prefix=PROMO %s
+// RUN: %run %t.promo.gen
+// RUN: llvm-profdata merge -o %t.promo.profdata %t.promo.prof/
+// RUN: llvm-profdata show --counts --all-functions %t.promo.profdata > %t.promo.dump
+// RUN: %clang_pgogen=%t.nopromo.prof/ -mllvm -do-counter-promotion=false -o %t.nopromo.gen -O2 %s
+// RUN: %clang_pgogen=%t.nopromo.prof/ -mllvm -do-counter-promotion=false -o %t.nopromo.gen.ll -emit-llvm -S -O2 %s
+// RUN: cat %t.nopromo.gen.ll | FileCheck --check-prefix=NOPROMO %s
+// RUN: %run %t.nopromo.gen
+// RUN: llvm-profdata merge -o %t.nopromo.profdata %t.nopromo.prof/
+// RUN: llvm-profdata show --counts --all-functions %t.nopromo.profdata > %t.nopromo.dump
+// RUN: diff %t.promo.profdata %t.nopromo.profdata
+int g;
+__attribute__((noinline)) void bar(int i) { g += i; }
+__attribute__((noinline)) void foo(int n, int N) {
+// PROMO-LABEL: @foo
+// PROMO: load{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// PROMO-NEXT: load{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// PROMO-NEXT: load{{.*}}@__profc_foo{{.*}} 2){{.*}}
+// PROMO-NEXT: add
+// PROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 2){{.*}}
+//
+// NOPROMO-LABEL: @foo
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 0){{.*}}
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 1){{.*}}
+// NOPROMO: load{{.*}}@__profc_foo{{.*}} 2){{.*}}
+// NOPROMO-NEXT: add
+// NOPROMO-NEXT: store{{.*}}@__profc_foo{{.*}} 2){{.*}}
+ int i = 0;
+ while (i < N) {
+ if (i < n + 1)
+ bar(1);
+ else if (i < n - 1)
+ bar(2);
+ else
+ bar(3);
+ i++;
+ }
+}
+
+int main() {
+ foo(10, 20);
+ return 0;
+}
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