1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=slp-vectorizer -mcpu=corei7-avx -mtriple=x86_64-unknown-linux -S | FileCheck %s
4 ; This test checks whether the cost of the vector max intrinsic is calculated
5 ; correctly. A max vector intrinsic combines the select and icmp instructions.
6 ; This maps to a single PMAX instruction in x86.
7 define void @smax_intrinsic_cost(i64 %arg0, i64 %arg1) {
8 ; CHECK-LABEL: @smax_intrinsic_cost(
9 ; CHECK-NEXT: [[ICMP0:%.*]] = icmp sgt i64 [[ARG0:%.*]], 123
10 ; CHECK-NEXT: [[ICMP1:%.*]] = icmp sgt i64 [[ARG1:%.*]], 456
11 ; CHECK-NEXT: [[SELECT0:%.*]] = select i1 [[ICMP0]], i64 [[ARG0]], i64 123
12 ; CHECK-NEXT: [[SELECT1:%.*]] = select i1 [[ICMP1]], i64 [[ARG1]], i64 456
13 ; CHECK-NEXT: [[ROOT:%.*]] = icmp sle i64 [[SELECT0]], [[SELECT1]]
14 ; CHECK-NEXT: ret void
16 %icmp0 = icmp sgt i64 %arg0, 123
17 %icmp1 = icmp sgt i64 %arg1, 456
18 %select0 = select i1 %icmp0, i64 %arg0, i64 123
19 %select1 = select i1 %icmp1, i64 %arg1, i64 456
20 %root = icmp sle i64 %select0, %select1
25 define void @umax_intrinsic_cost(i64 %arg0, i64 %arg1) {
26 ; CHECK-LABEL: @umax_intrinsic_cost(
27 ; CHECK-NEXT: [[ICMP0:%.*]] = icmp ugt i64 [[ARG0:%.*]], 123
28 ; CHECK-NEXT: [[ICMP1:%.*]] = icmp ugt i64 [[ARG1:%.*]], 456
29 ; CHECK-NEXT: [[SELECT0:%.*]] = select i1 [[ICMP0]], i64 [[ARG0]], i64 123
30 ; CHECK-NEXT: [[SELECT1:%.*]] = select i1 [[ICMP1]], i64 [[ARG1]], i64 456
31 ; CHECK-NEXT: [[ROOT:%.*]] = icmp sle i64 [[SELECT0]], [[SELECT1]]
32 ; CHECK-NEXT: ret void
34 %icmp0 = icmp ugt i64 %arg0, 123
35 %icmp1 = icmp ugt i64 %arg1, 456
36 %select0 = select i1 %icmp0, i64 %arg0, i64 123
37 %select1 = select i1 %icmp1, i64 %arg1, i64 456
38 %root = icmp sle i64 %select0, %select1