xref: /llvm-project/llvm/test/CodeGen/Hexagon/mulhs.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon < %s | FileCheck %s
2; RUN: llc -mtriple=hexagon -early-live-intervals -verify-machineinstrs < %s | FileCheck %s
3
4; CHECK: mpy
5; CHECK-NOT: call
6
7target triple = "hexagon"
8
9; Function Attrs: nounwind
10define i32 @fred(i64 %x, i64 %y, ptr nocapture %z) #0 {
11entry:
12  %0 = tail call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %x, i64 %y)
13  %1 = extractvalue { i64, i1 } %0, 1
14  %2 = extractvalue { i64, i1 } %0, 0
15  store i64 %2, ptr %z, align 8
16  %conv = zext i1 %1 to i32
17  ret i32 %conv
18}
19
20; Function Attrs: nounwind readnone
21declare { i64, i1 } @llvm.smul.with.overflow.i64(i64, i64) #1
22
23attributes #0 = { nounwind }
24attributes #1 = { nounwind readnone }
25