1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
; RUN: llc -march=hexagon < %s | FileCheck %s
target triple = "hexagon"
; CHECK-LABEL: danny:
; CHECK: r{{[0-9]+}} = mpy(r0,r1)
define i32 @danny(i32 %a0, i32 %a1) {
b2:
%v3 = sext i32 %a0 to i64
%v4 = sext i32 %a1 to i64
%v5 = mul nsw i64 %v3, %v4
%v6 = ashr i64 %v5, 32
%v7 = trunc i64 %v6 to i32
ret i32 %v7
}
; CHECK-LABEL: sammy:
; CHECK: r{{[0-9]+}} = mpy(r0,r1)
define i32 @sammy(i32 %a0, i32 %a1) {
b2:
%v3 = sext i32 %a0 to i64
%v4 = sext i32 %a1 to i64
%v5 = mul nsw i64 %v3, %v4
%v6 = lshr i64 %v5, 32
%v7 = trunc i64 %v6 to i32
ret i32 %v7
}
|
