blob: 45234ff9997805abde699579c321d128de73b6b5 [file] [log] [blame]
Krzysztof Parzyszek046090d2018-03-12 14:01:28 +00001; RUN: llc -march=hexagon < %s | FileCheck %s
2;
3; Check if we generate rounding-asr instruction. It is equivalent to
4; Rd = ((Rs >> #u) +1) >> 1.
5
6target triple = "hexagon"
7
8define i32 @f0(i32 %a0) {
9b0:
10; CHECK: asr{{.*}}:rnd
11 %v0 = alloca i32, align 4
12 store i32 %a0, i32* %v0, align 4
13 %v1 = load i32, i32* %v0, align 4
14 %v2 = ashr i32 %v1, 10
15 %v3 = add nsw i32 %v2, 1
16 %v4 = ashr i32 %v3, 1
17 ret i32 %v4
18}
19
20define i64 @f1(i64 %a0) {
21b0:
22; CHECK: asr{{.*}}:rnd
23 %v0 = alloca i64, align 8
24 store i64 %a0, i64* %v0, align 8
25 %v1 = load i64, i64* %v0, align 8
26 %v2 = ashr i64 %v1, 17
27 %v3 = add nsw i64 %v2, 1
28 %v4 = ashr i64 %v3, 1
29 ret i64 %v4
30}