xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/combine_ir.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=hexagon -mcpu=hexagonv4 -disable-hsdr < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare void @bar(i64)
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: halfword:
6*9880d681SAndroid Build Coastguard Worker; CHECK: combine(#0
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @halfword(i16* nocapture %a) nounwind {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  %0 = load i16, i16* %a, align 2
11*9880d681SAndroid Build Coastguard Worker  %1 = zext i16 %0 to i64
12*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i16, i16* %a, i32 1
13*9880d681SAndroid Build Coastguard Worker  %2 = load i16, i16* %add.ptr, align 2
14*9880d681SAndroid Build Coastguard Worker  %3 = zext i16 %2 to i64
15*9880d681SAndroid Build Coastguard Worker  %4 = shl nuw nsw i64 %3, 16
16*9880d681SAndroid Build Coastguard Worker  %ins = or i64 %4, %1
17*9880d681SAndroid Build Coastguard Worker  tail call void @bar(i64 %ins) nounwind
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: byte:
22*9880d681SAndroid Build Coastguard Worker; CHECK: combine(#0
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerdefine void @byte(i8* nocapture %a) nounwind {
25*9880d681SAndroid Build Coastguard Workerentry:
26*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %a, align 1
27*9880d681SAndroid Build Coastguard Worker  %1 = zext i8 %0 to i64
28*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i8, i8* %a, i32 1
29*9880d681SAndroid Build Coastguard Worker  %2 = load i8, i8* %add.ptr, align 1
30*9880d681SAndroid Build Coastguard Worker  %3 = zext i8 %2 to i64
31*9880d681SAndroid Build Coastguard Worker  %4 = shl nuw nsw i64 %3, 8
32*9880d681SAndroid Build Coastguard Worker  %ins = or i64 %4, %1
33*9880d681SAndroid Build Coastguard Worker  tail call void @bar(i64 %ins) nounwind
34*9880d681SAndroid Build Coastguard Worker  ret void
35*9880d681SAndroid Build Coastguard Worker}
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