diff options
Diffstat (limited to 'test/Analysis/Profiling/load-branch-weights-loops.ll')
-rw-r--r-- | test/Analysis/Profiling/load-branch-weights-loops.ll | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/test/Analysis/Profiling/load-branch-weights-loops.ll b/test/Analysis/Profiling/load-branch-weights-loops.ll deleted file mode 100644 index 9d1925a..0000000 --- a/test/Analysis/Profiling/load-branch-weights-loops.ll +++ /dev/null @@ -1,188 +0,0 @@ -; RUN: opt -insert-edge-profiling -o %t1 < %s -; RUN: rm -f %t1.prof_data -; RUN: lli %defaultjit -load %llvmshlibdir/libprofile_rt%shlibext %t1 \ -; RUN: -llvmprof-output %t1.prof_data -; RUN: opt -profile-file %t1.prof_data -profile-metadata-loader -S -o - < %s \ -; RUN: | FileCheck %s -; RUN: rm -f %t1.prof_data - -; FIXME: profile_rt.dll could be built on win32. -; REQUIRES: loadable_module - -;; func_for - Test branch probabilities for a vanilla for loop. -define i32 @func_for(i32 %N) nounwind uwtable { -entry: - %N.addr = alloca i32, align 4 - %ret = alloca i32, align 4 - %loop = alloca i32, align 4 - store i32 %N, i32* %N.addr, align 4 - store i32 0, i32* %ret, align 4 - store i32 0, i32* %loop, align 4 - br label %for.cond - -for.cond: - %0 = load i32* %loop, align 4 - %1 = load i32* %N.addr, align 4 - %cmp = icmp slt i32 %0, %1 - br i1 %cmp, label %for.body, label %for.end -; CHECK: br i1 %cmp, label %for.body, label %for.end, !prof !0 - -for.body: - %2 = load i32* %N.addr, align 4 - %3 = load i32* %ret, align 4 - %add = add nsw i32 %3, %2 - store i32 %add, i32* %ret, align 4 - br label %for.inc - -for.inc: - %4 = load i32* %loop, align 4 - %inc = add nsw i32 %4, 1 - store i32 %inc, i32* %loop, align 4 - br label %for.cond - -for.end: - %5 = load i32* %ret, align 4 - ret i32 %5 -} - -;; func_for_odd - Test branch probabilities for a for loop with a continue and -;; a break. -define i32 @func_for_odd(i32 %N) nounwind uwtable { -entry: - %N.addr = alloca i32, align 4 - %ret = alloca i32, align 4 - %loop = alloca i32, align 4 - store i32 %N, i32* %N.addr, align 4 - store i32 0, i32* %ret, align 4 - store i32 0, i32* %loop, align 4 - br label %for.cond - -for.cond: - %0 = load i32* %loop, align 4 - %1 = load i32* %N.addr, align 4 - %cmp = icmp slt i32 %0, %1 - br i1 %cmp, label %for.body, label %for.end -; CHECK: br i1 %cmp, label %for.body, label %for.end, !prof !1 - -for.body: - %2 = load i32* %loop, align 4 - %rem = srem i32 %2, 10 - %tobool = icmp ne i32 %rem, 0 - br i1 %tobool, label %if.then, label %if.end -; CHECK: br i1 %tobool, label %if.then, label %if.end, !prof !2 - -if.then: - br label %for.inc - -if.end: - %3 = load i32* %loop, align 4 - %cmp1 = icmp eq i32 %3, 500 - br i1 %cmp1, label %if.then2, label %if.end3 -; CHECK: br i1 %cmp1, label %if.then2, label %if.end3, !prof !3 - -if.then2: - br label %for.end - -if.end3: - %4 = load i32* %N.addr, align 4 - %5 = load i32* %ret, align 4 - %add = add nsw i32 %5, %4 - store i32 %add, i32* %ret, align 4 - br label %for.inc - -for.inc: - %6 = load i32* %loop, align 4 - %inc = add nsw i32 %6, 1 - store i32 %inc, i32* %loop, align 4 - br label %for.cond - -for.end: - %7 = load i32* %ret, align 4 - ret i32 %7 -} - -;; func_while - Test branch probability in a vanilla while loop. -define i32 @func_while(i32 %N) nounwind uwtable { -entry: - %N.addr = alloca i32, align 4 - %ret = alloca i32, align 4 - %loop = alloca i32, align 4 - store i32 %N, i32* %N.addr, align 4 - store i32 0, i32* %ret, align 4 - store i32 0, i32* %loop, align 4 - br label %while.cond - -while.cond: - %0 = load i32* %loop, align 4 - %1 = load i32* %N.addr, align 4 - %cmp = icmp slt i32 %0, %1 - br i1 %cmp, label %while.body, label %while.end -; CHECK: br i1 %cmp, label %while.body, label %while.end, !prof !0 - -while.body: - %2 = load i32* %N.addr, align 4 - %3 = load i32* %ret, align 4 - %add = add nsw i32 %3, %2 - store i32 %add, i32* %ret, align 4 - %4 = load i32* %loop, align 4 - %inc = add nsw i32 %4, 1 - store i32 %inc, i32* %loop, align 4 - br label %while.cond - -while.end: - %5 = load i32* %ret, align 4 - ret i32 %5 -} - -;; func_while - Test branch probability in a vanilla do-while loop. -define i32 @func_do_while(i32 %N) nounwind uwtable { -entry: - %N.addr = alloca i32, align 4 - %ret = alloca i32, align 4 - %loop = alloca i32, align 4 - store i32 %N, i32* %N.addr, align 4 - store i32 0, i32* %ret, align 4 - store i32 0, i32* %loop, align 4 - br label %do.body - -do.body: - %0 = load i32* %N.addr, align 4 - %1 = load i32* %ret, align 4 - %add = add nsw i32 %1, %0 - store i32 %add, i32* %ret, align 4 - %2 = load i32* %loop, align 4 - %inc = add nsw i32 %2, 1 - store i32 %inc, i32* %loop, align 4 - br label %do.cond - -do.cond: - %3 = load i32* %loop, align 4 - %4 = load i32* %N.addr, align 4 - %cmp = icmp slt i32 %3, %4 - br i1 %cmp, label %do.body, label %do.end -; CHECK: br i1 %cmp, label %do.body, label %do.end, !prof !4 - -do.end: - %5 = load i32* %ret, align 4 - ret i32 %5 -} - -define i32 @main(i32 %argc, i8** %argv) nounwind uwtable { -entry: - %retval = alloca i32, align 4 - %argc.addr = alloca i32, align 4 - %argv.addr = alloca i8**, align 8 - store i32 0, i32* %retval - %call = call i32 @func_for(i32 1000) - %call1 = call i32 @func_for_odd(i32 1000) - %call2 = call i32 @func_while(i32 1000) - %call3 = call i32 @func_do_while(i32 1000) - ret i32 0 -} - -!0 = metadata !{metadata !"branch_weights", i32 1000, i32 1} -!1 = metadata !{metadata !"branch_weights", i32 501, i32 0} -!2 = metadata !{metadata !"branch_weights", i32 450, i32 51} -!3 = metadata !{metadata !"branch_weights", i32 1, i32 50} -!4 = metadata !{metadata !"branch_weights", i32 999, i32 1} -; CHECK-NOT: !5 |