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[SelectionDAG] Use EVT::getIntegerVT in getBitcastedAnyExtOrTrunc #96658

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Jul 1, 2024
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4 changes: 2 additions & 2 deletions llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1468,14 +1468,14 @@ SDValue SelectionDAG::getZExtOrTrunc(SDValue Op, const SDLoc &DL, EVT VT) {
}

SDValue SelectionDAG::getBitcastedAnyExtOrTrunc(SDValue Op, const SDLoc &DL,
EVT VT) {
EVT VT) {
assert(!VT.isVector());
auto Type = Op.getValueType();
SDValue DestOp;
if (Type == VT)
return Op;
auto Size = Op.getValueSizeInBits();
DestOp = getBitcast(MVT::getIntegerVT(Size), Op);
DestOp = getBitcast(EVT::getIntegerVT(*Context, Size), Op);
if (DestOp.getValueType() == VT)
return DestOp;

Expand Down
32 changes: 32 additions & 0 deletions llvm/test/CodeGen/AMDGPU/no-corresponding-integer-type.ll
Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 %s -o - | FileCheck %s

define void @no_corresponding_integer_type(i8 %arg, ptr addrspace(1) %ptr) {
; CHECK-LABEL: no_corresponding_integer_type:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT: v_mov_b32_e32 v3, v2
; CHECK-NEXT: v_mov_b32_e32 v2, v1
; CHECK-NEXT: global_load_ushort v1, v[2:3], off
; CHECK-NEXT: global_load_ubyte v4, v[2:3], off offset:2
; CHECK-NEXT: s_mov_b32 s0, 0xc0c0400
; CHECK-NEXT: s_mov_b32 s1, 0xc0c0000
; CHECK-NEXT: s_waitcnt vmcnt(0)
; CHECK-NEXT: v_lshl_or_b32 v1, v4, 16, v1
; CHECK-NEXT: v_perm_b32 v1, v0, v1, s0
; CHECK-NEXT: v_perm_b32 v0, v0, v0, s1
; CHECK-NEXT: v_dot4_u32_u8 v0, v0, v1, 1
; CHECK-NEXT: s_nop 2
; CHECK-NEXT: global_store_byte v[2:3], v0, off
; CHECK-NEXT: s_waitcnt vmcnt(0)
; CHECK-NEXT: s_setpc_b64 s[30:31]
entry:
%load = load <3 x i8>, ptr addrspace(1) %ptr, align 1
%elt0 = extractelement <3 x i8> %load, i64 0
%mul0 = mul i8 %elt0, %arg
%or = or i8 %mul0, 1
%mul1 = mul i8 %arg, %arg
%add = add i8 %mul1, %or
store i8 %add, ptr addrspace(1) %ptr, align 1
ret void
}
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