| ; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution -scev-mulops-inline-threshold=1 < %s | FileCheck --check-prefix=CHECK1 %s |
| ; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scev-mulops-inline-threshold=1 < %s 2>&1 | FileCheck --check-prefix=CHECK1 %s |
| ; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution -scev-mulops-inline-threshold=10 < %s | FileCheck --check-prefix=CHECK10 %s |
| ; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scev-mulops-inline-threshold=10 < %s 2>&1 | FileCheck --check-prefix=CHECK10 %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @a = local_unnamed_addr global i32 0, align 4 |
| @b = local_unnamed_addr global i32 0, align 4 |
| |
| define i32 @main() local_unnamed_addr { |
| |
| ; CHECK1: %mul.1 = mul nsw i32 %mul, %mul |
| ; CHECK1: --> ((%a.promoted * %a.promoted) * (%a.promoted * %a.promoted)) |
| |
| ; CHECK10: %mul.1 = mul nsw i32 %mul, %mul |
| ; CHECK10: --> (%a.promoted * %a.promoted * %a.promoted * %a.promoted) |
| |
| entry: |
| %a.promoted = load i32, i32* @a, align 4 |
| %mul = mul nsw i32 %a.promoted, %a.promoted |
| %mul.1 = mul nsw i32 %mul, %mul |
| %mul.2 = mul nsw i32 %mul.1, %mul.1 |
| %mul.3 = mul nsw i32 %mul.2, %mul.2 |
| %mul.4 = mul nsw i32 %mul.3, %mul.3 |
| %mul.5 = mul nsw i32 %mul.4, %mul.4 |
| store i32 %mul.5, i32* @a, align 4 |
| store i32 31, i32* @b, align 4 |
| ret i32 0 |
| } |