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[Profile] Add a new test case 

The end-end test checks that cs-profile counter update
is obtained as expected.

llvm-svn: 277276
This commit is contained in:
Xinliang David Li 2016-07-30 20:12:00 +00:00
parent f5134a2867
commit f418bb8023
1 changed files with 35 additions and 0 deletions
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35
compiler-rt/test/profile/Linux/instrprof-cs.c Normal file
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// RUN: rm -fr %t.prof
// RUN: %clang_pgogen=%t.prof/ -o %t.gen.cs -O2 %s
// RUN: %t.gen.cs
// RUN: llvm-profdata merge -o %t.cs.profdata %t.prof/
// Check context sensitive profile
// RUN: %clang_profuse=%t.cs.profdata -O2 -emit-llvm -S %s -o - | FileCheck %s --check-prefix=CS
//
// RUN: %clang_profgen=%t.profraw -o %t.gen.cis -O2 %s
// RUN: %t.gen.cis
// RUN: llvm-profdata merge -o %t.cis.profdata %t.profraw
// Check context insenstive profile
// RUN: %clang_profuse=%t.cis.profdata -O2 -emit-llvm -S %s -o - | FileCheck %s --check-prefix=CIS
int g1 = 1;
int g2 = 2;
static void toggle(int t) {
if (t & 1)
g1 *= t;
else
g2 *= t;
}
int main() {
int i;
// CS: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD1:[0-9]+]]
// CIS: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD:[0-9]+]]
toggle(g1);
// CS: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD2:[0-9]+]]
// CIS: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD:[0-9]+]]
toggle(g2);
return 0;
}
// CS: ![[PD1]] = !{!"branch_weights", i32 0, i32 1}
// CS: ![[PD2]] = !{!"branch_weights", i32 1, i32 0}
// CIS: ![[PD]] = !{!"branch_weights", i32 2, i32 2}