xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/tfr-to-combine.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=hexagon -mcpu=hexagonv5  -O3 -disable-hsdr < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Check that we combine TFRs and TFRIs into COMBINEs.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker@a = external global i16
6*9880d681SAndroid Build Coastguard Worker@b = external global i16
7*9880d681SAndroid Build Coastguard Worker@c = external global i16
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
10*9880d681SAndroid Build Coastguard Workerdefine i64 @test1() #0 {
11*9880d681SAndroid Build Coastguard Worker; CHECK: combine(#10, #0)
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  store i16 0, i16* @a, align 2
14*9880d681SAndroid Build Coastguard Worker  store i16 10, i16* @b, align 2
15*9880d681SAndroid Build Coastguard Worker  ret i64 10
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
19*9880d681SAndroid Build Coastguard Workerdefine i64 @test2() #0 {
20*9880d681SAndroid Build Coastguard Worker; CHECK: combine(#0, r{{[0-9]+}})
21*9880d681SAndroid Build Coastguard Workerentry:
22*9880d681SAndroid Build Coastguard Worker  store i16 0, i16* @a, align 2
23*9880d681SAndroid Build Coastguard Worker  %0 = load i16, i16* @c, align 2
24*9880d681SAndroid Build Coastguard Worker  %conv2 = zext i16 %0 to i64
25*9880d681SAndroid Build Coastguard Worker  ret i64 %conv2
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
29*9880d681SAndroid Build Coastguard Workerdefine i64 @test4() #0 {
30*9880d681SAndroid Build Coastguard Worker; CHECK: combine(#0, #100)
31*9880d681SAndroid Build Coastguard Workerentry:
32*9880d681SAndroid Build Coastguard Worker  store i16 100, i16* @b, align 2
33*9880d681SAndroid Build Coastguard Worker  store i16 0, i16* @a, align 2
34*9880d681SAndroid Build Coastguard Worker  ret i64 0
35*9880d681SAndroid Build Coastguard Worker}
36