[PATCH] D156121: [Clang][AArch64] svldr_vnum/svstr_vnum should use cntsb iso vscale for the offset
Sander de Smalen via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jul 24 07:30:35 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGa8cbd27d1f23: [Clang][AArch64] svldr_vnum/svstr_vnum should use cntsb iso vscale for theā¦ (authored by sdesmalen).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D156121/new/
https://reviews.llvm.org/D156121
Files:
clang/lib/CodeGen/CGBuiltin.cpp
clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_ldr.c
clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_str.c
Index: clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_str.c
===================================================================
--- clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_str.c
+++ clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_str.c
@@ -18,8 +18,8 @@
// CHECK-C-LABEL: @test_svstr_vnum_za_1(
// CHECK-CXX-LABEL: @_Z20test_svstr_vnum_za_1jPv(
// CHECK-NEXT: entry:
-// CHECK-NEXT: [[VSCALE:%.*]] = tail call i64 @llvm.vscale.i64()
-// CHECK-NEXT: [[MULVL:%.*]] = mul nuw nsw i64 [[VSCALE]], 240
+// CHECK-NEXT: [[SVLB:%.*]] = tail call i64 @llvm.aarch64.sme.cntsb()
+// CHECK-NEXT: [[MULVL:%.*]] = mul i64 [[SVLB]], 15
// CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 [[MULVL]]
// CHECK-NEXT: [[TILESLICE:%.*]] = add i32 [[SLICE_BASE:%.*]], 15
// CHECK-NEXT: tail call void @llvm.aarch64.sme.str(i32 [[TILESLICE]], ptr [[TMP0]])
Index: clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_ldr.c
===================================================================
--- clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_ldr.c
+++ clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_ldr.c
@@ -18,8 +18,8 @@
// CHECK-C-LABEL: @test_svldr_vnum_za_1(
// CHECK-CXX-LABEL: @_Z20test_svldr_vnum_za_1jPKv(
// CHECK-NEXT: entry:
-// CHECK-NEXT: [[VSCALE:%.*]] = tail call i64 @llvm.vscale.i64()
-// CHECK-NEXT: [[MULVL:%.*]] = mul nuw nsw i64 [[VSCALE]], 240
+// CHECK-NEXT: [[SVLB:%.*]] = tail call i64 @llvm.aarch64.sme.cntsb()
+// CHECK-NEXT: [[MULVL:%.*]] = mul i64 [[SVLB]], 15
// CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 [[MULVL]]
// CHECK-NEXT: [[TILESLICE:%.*]] = add i32 [[SLICE_BASE:%.*]], 15
// CHECK-NEXT: tail call void @llvm.aarch64.sme.ldr(i32 [[TILESLICE]], ptr [[TMP0]])
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -9508,11 +9508,11 @@
Value *CodeGenFunction::EmitSMELdrStr(SVETypeFlags TypeFlags,
SmallVectorImpl<Value *> &Ops,
unsigned IntID) {
- Function *Vscale = CGM.getIntrinsic(Intrinsic::vscale, Int64Ty);
- llvm::Value *VscaleCall = Builder.CreateCall(Vscale, {}, "vscale");
+ Function *Cntsb = CGM.getIntrinsic(Intrinsic::aarch64_sme_cntsb);
+ llvm::Value *CntsbCall = Builder.CreateCall(Cntsb, {}, "svlb");
llvm::Value *MulVL = Builder.CreateMul(
- VscaleCall,
- Builder.getInt64(16 * cast<llvm::ConstantInt>(Ops[1])->getZExtValue()),
+ CntsbCall,
+ Builder.getInt64(cast<llvm::ConstantInt>(Ops[1])->getZExtValue()),
"mulvl");
Ops[2] = Builder.CreateGEP(Int8Ty, Ops[2], MulVL);
Ops[0] = EmitTileslice(Ops[1], Ops[0]);
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