llvm-for-llvmta/test/Analysis/ScalarEvolution/max-addops-inline.ll

20 lines
1.0 KiB
LLVM

; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution -scev-addops-inline-threshold=1 < %s | FileCheck --check-prefix=CHECK1 %s
; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scev-addops-inline-threshold=1 < %s 2>&1 | FileCheck --check-prefix=CHECK1 %s
; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution -scev-addops-inline-threshold=10 < %s | FileCheck --check-prefix=CHECK10 %s
; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scev-addops-inline-threshold=10 < %s 2>&1 | FileCheck --check-prefix=CHECK10 %s
define i32 @foo(i64 %p0, i32 %p1) {
; CHECK1: %add2 = add nsw i32 %mul1, %add
; CHECK1-NEXT: --> ((trunc i64 %p0 to i32) * (1 + (trunc i64 %p0 to i32)) * (1 + %p1))
; CHECK10: %add2 = add nsw i32 %mul1, %add
; CHECK10-NEXT: --> ((trunc i64 %p0 to i32) * (1 + ((trunc i64 %p0 to i32) * (1 + %p1)) + %p1))
entry:
%tr = trunc i64 %p0 to i32
%mul = mul nsw i32 %tr, %p1
%add = add nsw i32 %mul, %tr
%mul1 = mul nsw i32 %add, %tr
%add2 = add nsw i32 %mul1, %add
ret i32 %add2
}