xref: /llvm-project/llvm/test/Transforms/PGOProfile/function_size_threshold.ll (revision 6f61594d8cd4cca559b3c87f2fa47d4bdc017c82) 
1; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --implicit-check-not='llvm.instrprof.' --check-prefixes=CHECK,ALL
2; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-size-threshold=2 -S | FileCheck %s --implicit-check-not='llvm.instrprof.' --check-prefixes=CHECK,ALL
3; RUN: opt < %s -passes=pgo-instr-gen -pgo-function-size-threshold=3 -S | FileCheck %s --implicit-check-not='llvm.instrprof.'
4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7; CHECK-LABEL: define i32 @small(
8define i32 @small(i32 %i) {
9  ; ALL: call void @llvm.instrprof.increment({{.*}})
10  %add = add i32 %i, 4
11  ret i32 %add
12}
13
14; CHECK-LABEL: define i32 @large(
15define i32 @large(i32 %0) {
16  ; CHECK: call void @llvm.instrprof.increment({{.*}})
17  %2 = shl nsw i32 %0, 3
18  %3 = or i32 %2, 4
19  %4 = mul i32 %3, %0
20  %5 = or i32 %4, 3
21  %6 = sdiv i32 2, %0
22  %7 = add nsw i32 %5, %6
23  %8 = mul nsw i32 %0, %0
24  %9 = udiv i32 5, %8
25  %10 = add nsw i32 %7, %9
26  ret i32 %10
27}
28
29; CHECK: declare void @llvm.instrprof.increment({{.*}})
30