xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/memops3.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Generate MemOps for V4 and above.
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @f(i8* nocapture %p) nounwind {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker; CHECK:  memb(r{{[0-9]+}}{{ *}}+{{ *}}#10){{ *}}-={{ *}}#1
8*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i8, i8* %p, i32 10
9*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %add.ptr, align 1
10*9880d681SAndroid Build Coastguard Worker  %conv = zext i8 %0 to i32
11*9880d681SAndroid Build Coastguard Worker  %sub = add nsw i32 %conv, 255
12*9880d681SAndroid Build Coastguard Worker  %conv1 = trunc i32 %sub to i8
13*9880d681SAndroid Build Coastguard Worker  store i8 %conv1, i8* %add.ptr, align 1
14*9880d681SAndroid Build Coastguard Worker  ret void
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerdefine void @g(i8* nocapture %p, i32 %i) nounwind {
18*9880d681SAndroid Build Coastguard Workerentry:
19*9880d681SAndroid Build Coastguard Worker; CHECK:  memb(r{{[0-9]+}}{{ *}}+{{ *}}#10){{ *}}-={{ *}}#1
20*9880d681SAndroid Build Coastguard Worker  %add.ptr.sum = add i32 %i, 10
21*9880d681SAndroid Build Coastguard Worker  %add.ptr1 = getelementptr inbounds i8, i8* %p, i32 %add.ptr.sum
22*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %add.ptr1, align 1
23*9880d681SAndroid Build Coastguard Worker  %conv = zext i8 %0 to i32
24*9880d681SAndroid Build Coastguard Worker  %sub = add nsw i32 %conv, 255
25*9880d681SAndroid Build Coastguard Worker  %conv2 = trunc i32 %sub to i8
26*9880d681SAndroid Build Coastguard Worker  store i8 %conv2, i8* %add.ptr1, align 1
27*9880d681SAndroid Build Coastguard Worker  ret void
28*9880d681SAndroid Build Coastguard Worker}
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