diff options
-rw-r--r-- | llvm/include/llvm/IR/IntrinsicsAMDGPU.td | 6 | ||||
-rw-r--r-- | llvm/lib/Analysis/ConstantFolding.cpp | 11 | ||||
-rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 8 | ||||
-rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp | 3 | ||||
-rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp | 44 | ||||
-rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 4 | ||||
-rw-r--r-- | llvm/test/Bitcode/amdgcn-ldexp.ll | 30 | ||||
-rw-r--r-- | llvm/test/CodeGen/AMDGPU/known-never-snan.ll | 4 | ||||
-rw-r--r-- | llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll | 233 | ||||
-rw-r--r-- | llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll | 31 | ||||
-rw-r--r-- | llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll | 342 |
11 files changed, 41 insertions, 675 deletions
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td index 124f22c..4f42462 100644 --- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td +++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td @@ -362,12 +362,6 @@ def int_amdgcn_rsq_legacy : ClangBuiltin<"__builtin_amdgcn_rsq_legacy">, def int_amdgcn_rsq_clamp : DefaultAttrsIntrinsic< [llvm_anyfloat_ty], [LLVMMatchType<0>], [IntrNoMem, IntrSpeculatable]>; -// For int_amdgcn_ldexp_f16, only the low 16 bits of the i32 src1 operand will used. -def int_amdgcn_ldexp : DefaultAttrsIntrinsic< - [llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty], - [IntrNoMem, IntrSpeculatable] ->; - def int_amdgcn_frexp_mant : DefaultAttrsIntrinsic< [llvm_anyfloat_ty], [LLVMMatchType<0>], [IntrNoMem, IntrSpeculatable] >; diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index f12a5dd..e08d991 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -1564,7 +1564,6 @@ bool llvm::canConstantFoldCallTo(const CallBase *Call, const Function *F) { case Intrinsic::amdgcn_fmul_legacy: case Intrinsic::amdgcn_fma_legacy: case Intrinsic::amdgcn_fract: - case Intrinsic::amdgcn_ldexp: case Intrinsic::amdgcn_sin: // The intrinsics below depend on rounding mode in MXCSR. case Intrinsic::x86_sse_cvtss2si: @@ -2669,16 +2668,6 @@ static Constant *ConstantFoldScalarCall2(StringRef Name, Ty->getContext(), APFloat((double)std::pow(Op1V.convertToDouble(), (int)Op2C->getZExtValue()))); - - if (IntrinsicID == Intrinsic::amdgcn_ldexp) { - // FIXME: Should flush denorms depending on FP mode, but that's ignored - // everywhere else. - - // scalbn is equivalent to ldexp with float radix 2 - APFloat Result = scalbn(Op1->getValueAPF(), Op2C->getSExtValue(), - APFloat::rmNearestTiesToEven); - return ConstantFP::get(Ty->getContext(), Result); - } } return nullptr; } diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index 4e10c6c..eedde64 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -926,6 +926,14 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { NewFn = nullptr; return true; } + + if (Name.startswith("ldexp.")) { + // Target specific intrinsic became redundant + NewFn = Intrinsic::getDeclaration( + F->getParent(), Intrinsic::ldexp, + {F->getReturnType(), F->getArg(1)->getType()}); + return true; + } } break; diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp index bce7597..9698b6e 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp @@ -3745,8 +3745,7 @@ SDValue AMDGPUTargetLowering::performIntrinsicWOChainCombine( case Intrinsic::amdgcn_rsq: case Intrinsic::amdgcn_rcp_legacy: case Intrinsic::amdgcn_rsq_legacy: - case Intrinsic::amdgcn_rsq_clamp: - case Intrinsic::amdgcn_ldexp: { + case Intrinsic::amdgcn_rsq_clamp: { // FIXME: This is probably wrong. If src is an sNaN, it won't be quieted SDValue Src = N->getOperand(1); return Src.isUndef() ? Src : SDValue(); diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp index 992f996..f49945d 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp @@ -1048,50 +1048,6 @@ GCNTTIImpl::instCombineIntrinsic(InstCombiner &IC, IntrinsicInst &II) const { break; } - case Intrinsic::amdgcn_ldexp: { - // FIXME: This doesn't introduce new instructions and belongs in - // InstructionSimplify. - Type *Ty = II.getType(); - Value *Op0 = II.getArgOperand(0); - Value *Op1 = II.getArgOperand(1); - - // Folding undef to qnan is safe regardless of the FP mode. - if (isa<UndefValue>(Op0)) { - auto *QNaN = ConstantFP::get(Ty, APFloat::getQNaN(Ty->getFltSemantics())); - return IC.replaceInstUsesWith(II, QNaN); - } - - const APFloat *C = nullptr; - match(Op0, PatternMatch::m_APFloat(C)); - - // FIXME: Should flush denorms depending on FP mode, but that's ignored - // everywhere else. - // - // These cases should be safe, even with strictfp. - // ldexp(0.0, x) -> 0.0 - // ldexp(-0.0, x) -> -0.0 - // ldexp(inf, x) -> inf - // ldexp(-inf, x) -> -inf - if (C && (C->isZero() || C->isInfinity())) { - return IC.replaceInstUsesWith(II, Op0); - } - - // With strictfp, be more careful about possibly needing to flush denormals - // or not, and snan behavior depends on ieee_mode. - if (II.isStrictFP()) - break; - - if (C && C->isNaN()) - return IC.replaceInstUsesWith(II, ConstantFP::get(Ty, C->makeQuiet())); - - // ldexp(x, 0) -> x - // ldexp(x, undef) -> x - if (isa<UndefValue>(Op1) || match(Op1, PatternMatch::m_ZeroInt())) { - return IC.replaceInstUsesWith(II, Op0); - } - - break; - } case Intrinsic::amdgcn_fmul_legacy: { Value *Op0 = II.getArgOperand(0); Value *Op1 = II.getArgOperand(1); diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index e87e3dc..777fe76 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -7459,9 +7459,6 @@ SDValue SITargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, return emitRemovedIntrinsicError(DAG, DL, VT); } - case Intrinsic::amdgcn_ldexp: - return DAG.getNode(ISD::FLDEXP, DL, VT, Op.getOperand(1), Op.getOperand(2)); - case Intrinsic::amdgcn_fract: return DAG.getNode(AMDGPUISD::FRACT, DL, VT, Op.getOperand(1)); @@ -11619,7 +11616,6 @@ bool SITargetLowering::isCanonicalized(Register Reg, MachineFunction &MF, case Intrinsic::amdgcn_div_fmas: case Intrinsic::amdgcn_div_fixup: case Intrinsic::amdgcn_fract: - case Intrinsic::amdgcn_ldexp: case Intrinsic::amdgcn_cvt_pkrtz: case Intrinsic::amdgcn_cubeid: case Intrinsic::amdgcn_cubema: diff --git a/llvm/test/Bitcode/amdgcn-ldexp.ll b/llvm/test/Bitcode/amdgcn-ldexp.ll new file mode 100644 index 0000000..0ba901a --- /dev/null +++ b/llvm/test/Bitcode/amdgcn-ldexp.ll @@ -0,0 +1,30 @@ +; RUN: llvm-as < %s | llvm-dis | FileCheck %s + +define float @f32(float %a, i32 %b) { + ; CHECK: %call = call float @llvm.ldexp.f32.i32(float %a, i32 %b) + ; CHECK-NOT: amdgcn.ldexp + %call = call float @llvm.amdgcn.ldexp.f32(float %a, i32 %b) + ret float %call +} + +define double @f64(double %a, i32 %b) { + ; CHECK: %call = call double @llvm.ldexp.f64.i32(double %a, i32 %b) + ; CHECK-NOT: amdgcn.ldexp + %call = call double @llvm.amdgcn.ldexp.f64(double %a, i32 %b) + ret double %call +} + +define half @f16(half %a, i32 %b) { + ; CHECK: %call = call half @llvm.ldexp.f16.i32(half %a, i32 %b) + ; CHECK-NOT: amdgcn.ldexp + %call = call half @llvm.amdgcn.ldexp.f16(half %a, i32 %b) + ret half %call +} + +declare half @llvm.amdgcn.ldexp.f16(half, i32) +declare float @llvm.amdgcn.ldexp.f32(float, i32) +declare double @llvm.amdgcn.ldexp.f64(double, i32) +; CHECK: declare half @llvm.ldexp.f16.i32(half, i32) +; CHECK: declare float @llvm.ldexp.f32.i32(float, i32) +; CHECK: declare double @llvm.ldexp.f64.i32(double, i32) +; CHECK-NOT: amdgcn.ldexp diff --git a/llvm/test/CodeGen/AMDGPU/known-never-snan.ll b/llvm/test/CodeGen/AMDGPU/known-never-snan.ll index 5ee6eda..cb54473 100644 --- a/llvm/test/CodeGen/AMDGPU/known-never-snan.ll +++ b/llvm/test/CodeGen/AMDGPU/known-never-snan.ll @@ -516,7 +516,7 @@ define float @v_test_known_not_snan_ldexp_input_fmed3_r_i_i_f32(float %a, i32 %b ; GCN-NEXT: v_ldexp_f32 v0, v0, v1 ; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0 ; GCN-NEXT: s_setpc_b64 s[30:31] - %known.not.snan = call float @llvm.amdgcn.ldexp.f32(float %a, i32 %b) + %known.not.snan = call float @llvm.ldexp.f32.i32(float %a, i32 %b) %max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0) %med = call float @llvm.minnum.f32(float %max, float 4.0) ret float %med @@ -658,7 +658,7 @@ declare float @llvm.maxnum.f32(float, float) #1 declare float @llvm.copysign.f32(float, float) #1 declare float @llvm.fma.f32(float, float, float) #1 declare float @llvm.fmuladd.f32(float, float, float) #1 -declare float @llvm.amdgcn.ldexp.f32(float, i32) #1 +declare float @llvm.ldexp.f32.i32(float, i32) #1 declare float @llvm.amdgcn.fmul.legacy(float, float) #1 declare float @llvm.amdgcn.fmed3.f32(float, float, float) #1 declare float @llvm.amdgcn.frexp.mant.f32(float) #1 diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll deleted file mode 100644 index 3b9dfb9..0000000 --- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll +++ /dev/null @@ -1,233 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py -; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=VI %s -; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx1010 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10 %s -; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx1100 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11 %s - -declare half @llvm.amdgcn.ldexp.f16(half %a, i32 %b) - -define amdgpu_kernel void @ldexp_f16( -; VI-LABEL: ldexp_f16: -; VI: ; %bb.0: -; VI-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x24 -; VI-NEXT: s_load_dwordx2 s[8:9], s[0:1], 0x34 -; VI-NEXT: s_mov_b32 s3, 0xf000 -; VI-NEXT: s_mov_b32 s2, -1 -; VI-NEXT: s_mov_b32 s10, s2 -; VI-NEXT: s_mov_b32 s11, s3 -; VI-NEXT: s_waitcnt lgkmcnt(0) -; VI-NEXT: s_mov_b32 s12, s6 -; VI-NEXT: s_mov_b32 s13, s7 -; VI-NEXT: s_mov_b32 s14, s2 -; VI-NEXT: s_mov_b32 s15, s3 -; VI-NEXT: buffer_load_dword v0, off, s[8:11], 0 -; VI-NEXT: buffer_load_ushort v1, off, s[12:15], 0 -; VI-NEXT: s_mov_b32 s0, s4 -; VI-NEXT: s_movk_i32 s4, 0x8000 -; VI-NEXT: v_mov_b32_e32 v2, 0x7fff -; VI-NEXT: s_mov_b32 s1, s5 -; VI-NEXT: s_waitcnt vmcnt(1) -; VI-NEXT: v_med3_i32 v0, v0, s4, v2 -; VI-NEXT: s_waitcnt vmcnt(0) -; VI-NEXT: v_ldexp_f16_e32 v0, v1, v0 -; VI-NEXT: buffer_store_short v0, off, s[0:3], 0 -; VI-NEXT: s_endpgm -; -; GFX10-LABEL: ldexp_f16: -; GFX10: ; %bb.0: -; GFX10-NEXT: s_clause 0x1 -; GFX10-NEXT: s_load_dwordx4 s[4:7], s[0:1], 0x24 -; GFX10-NEXT: s_load_dwordx2 s[8:9], s[0:1], 0x34 -; GFX10-NEXT: s_mov_b32 s2, -1 -; GFX10-NEXT: s_mov_b32 s3, 0x31016000 -; GFX10-NEXT: s_mov_b32 s10, s2 -; GFX10-NEXT: s_mov_b32 s11, s3 -; GFX10-NEXT: s_mov_b32 s14, s2 -; GFX10-NEXT: s_mov_b32 s15, s3 -; GFX10-NEXT: s_movk_i32 s0, 0x8000 -; GFX10-NEXT: s_waitcnt lgkmcnt(0) -; GFX10-NEXT: s_mov_b32 s12, s6 -; GFX10-NEXT: buffer_load_dword v0, off, s[8:11], 0 -; GFX10-NEXT: s_mov_b32 s13, s7 -; GFX10-NEXT: s_mov_b32 s1, s5 -; GFX10-NEXT: buffer_load_ushort v1, off, s[12:15], 0 -; GFX10-NEXT: s_waitcnt vmcnt(1) -; GFX10-NEXT: v_med3_i32 v0, v0, s0, 0x7fff -; GFX10-NEXT: s_mov_b32 s0, s4 -; GFX10-NEXT: s_waitcnt vmcnt(0) -; GFX10-NEXT: v_ldexp_f16_e32 v0, v1, v0 -; GFX10-NEXT: buffer_store_short v0, off, s[0:3], 0 -; GFX10-NEXT: s_endpgm -; -; GFX11-LABEL: ldexp_f16: -; GFX11: ; %bb.0: -; GFX11-NEXT: s_clause 0x1 -; GFX11-NEXT: s_load_b128 s[4:7], s[0:1], 0x24 -; GFX11-NEXT: s_load_b64 s[0:1], s[0:1], 0x34 -; GFX11-NEXT: s_mov_b32 s10, -1 -; GFX11-NEXT: s_mov_b32 s11, 0x31016000 -; GFX11-NEXT: s_mov_b32 s2, s10 -; GFX11-NEXT: s_mov_b32 s3, s11 -; GFX11-NEXT: s_mov_b32 s14, s10 -; GFX11-NEXT: s_mov_b32 s15, s11 -; GFX11-NEXT: s_waitcnt lgkmcnt(0) -; GFX11-NEXT: s_mov_b32 s12, s6 -; GFX11-NEXT: buffer_load_b32 v0, off, s[0:3], 0 -; GFX11-NEXT: s_mov_b32 s13, s7 -; GFX11-NEXT: s_movk_i32 s0, 0x8000 -; GFX11-NEXT: buffer_load_u16 v1, off, s[12:15], 0 -; GFX11-NEXT: s_mov_b32 s8, s4 -; GFX11-NEXT: s_mov_b32 s9, s5 -; GFX11-NEXT: s_waitcnt vmcnt(1) -; GFX11-NEXT: v_med3_i32 v0, v0, s0, 0x7fff -; GFX11-NEXT: s_waitcnt vmcnt(0) -; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) -; GFX11-NEXT: v_ldexp_f16_e32 v0, v1, v0 -; GFX11-NEXT: buffer_store_b16 v0, off, s[8:11], 0 -; GFX11-NEXT: s_nop 0 -; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS) -; GFX11-NEXT: s_endpgm - ptr addrspace(1) %r, - ptr addrspace(1) %a, - ptr addrspace(1) %b) { - %a.val = load half, ptr addrspace(1) %a - %b.val = load i32, ptr addrspace(1) %b - %r.val = call half @llvm.amdgcn.ldexp.f16(half %a.val, i32 %b.val) - store half %r.val, ptr addrspace(1) %r - ret void -} - -define amdgpu_kernel void @ldexp_f16_imm_a( -; VI-LABEL: ldexp_f16_imm_a: -; VI: ; %bb.0: -; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 -; VI-NEXT: s_mov_b32 s7, 0xf000 -; VI-NEXT: s_mov_b32 s6, -1 -; VI-NEXT: s_mov_b32 s10, s6 -; VI-NEXT: s_mov_b32 s11, s7 -; VI-NEXT: s_waitcnt lgkmcnt(0) -; VI-NEXT: s_mov_b32 s8, s2 -; VI-NEXT: s_mov_b32 s9, s3 -; VI-NEXT: buffer_load_dword v0, off, s[8:11], 0 -; VI-NEXT: s_mov_b32 s4, s0 -; VI-NEXT: s_movk_i32 s0, 0x8000 -; VI-NEXT: v_mov_b32_e32 v1, 0x7fff -; VI-NEXT: s_mov_b32 s5, s1 -; VI-NEXT: s_waitcnt vmcnt(0) -; VI-NEXT: v_med3_i32 v0, v0, s0, v1 -; VI-NEXT: v_ldexp_f16_e32 v0, 2.0, v0 -; VI-NEXT: buffer_store_short v0, off, s[4:7], 0 -; VI-NEXT: s_endpgm -; -; GFX10-LABEL: ldexp_f16_imm_a: -; GFX10: ; %bb.0: -; GFX10-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 -; GFX10-NEXT: s_mov_b32 s6, -1 -; GFX10-NEXT: s_mov_b32 s7, 0x31016000 -; GFX10-NEXT: s_mov_b32 s10, s6 -; GFX10-NEXT: s_mov_b32 s11, s7 -; GFX10-NEXT: s_waitcnt lgkmcnt(0) -; GFX10-NEXT: s_mov_b32 s8, s2 -; GFX10-NEXT: s_mov_b32 s9, s3 -; GFX10-NEXT: s_movk_i32 s2, 0x8000 -; GFX10-NEXT: buffer_load_dword v0, off, s[8:11], 0 -; GFX10-NEXT: s_mov_b32 s4, s0 -; GFX10-NEXT: s_mov_b32 s5, s1 -; GFX10-NEXT: s_waitcnt vmcnt(0) -; GFX10-NEXT: v_med3_i32 v0, v0, s2, 0x7fff -; GFX10-NEXT: v_ldexp_f16_e32 v0, 2.0, v0 -; GFX10-NEXT: buffer_store_short v0, off, s[4:7], 0 -; GFX10-NEXT: s_endpgm -; -; GFX11-LABEL: ldexp_f16_imm_a: -; GFX11: ; %bb.0: -; GFX11-NEXT: s_load_b128 s[0:3], s[0:1], 0x24 -; GFX11-NEXT: s_mov_b32 s6, -1 -; GFX11-NEXT: s_mov_b32 s7, 0x31016000 -; GFX11-NEXT: s_mov_b32 s10, s6 -; GFX11-NEXT: s_mov_b32 s11, s7 -; GFX11-NEXT: s_waitcnt lgkmcnt(0) -; GFX11-NEXT: s_mov_b32 s8, s2 -; GFX11-NEXT: s_mov_b32 s9, s3 -; GFX11-NEXT: s_movk_i32 s2, 0x8000 -; GFX11-NEXT: buffer_load_b32 v0, off, s[8:11], 0 -; GFX11-NEXT: s_mov_b32 s4, s0 -; GFX11-NEXT: s_mov_b32 s5, s1 -; GFX11-NEXT: s_waitcnt vmcnt(0) -; GFX11-NEXT: v_med3_i32 v0, v0, s2, 0x7fff -; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) -; GFX11-NEXT: v_ldexp_f16_e32 v0, 2.0, v0 -; GFX11-NEXT: buffer_store_b16 v0, off, s[4:7], 0 -; GFX11-NEXT: s_nop 0 -; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS) -; GFX11-NEXT: s_endpgm - ptr addrspace(1) %r, - ptr addrspace(1) %b) { - %b.val = load i32, ptr addrspace(1) %b - %r.val = call half @llvm.amdgcn.ldexp.f16(half 2.0, i32 %b.val) - store half %r.val, ptr addrspace(1) %r - ret void -} - -define amdgpu_kernel void @ldexp_f16_imm_b( -; VI-LABEL: ldexp_f16_imm_b: -; VI: ; %bb.0: -; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 -; VI-NEXT: s_mov_b32 s7, 0xf000 -; VI-NEXT: s_mov_b32 s6, -1 -; VI-NEXT: s_mov_b32 s10, s6 -; VI-NEXT: s_mov_b32 s11, s7 -; VI-NEXT: s_waitcnt lgkmcnt(0) -; VI-NEXT: s_mov_b32 s8, s2 -; VI-NEXT: s_mov_b32 s9, s3 -; VI-NEXT: buffer_load_ushort v0, off, s[8:11], 0 -; VI-NEXT: s_mov_b32 s4, s0 -; VI-NEXT: s_mov_b32 s5, s1 -; VI-NEXT: s_waitcnt vmcnt(0) -; VI-NEXT: v_ldexp_f16_e64 v0, v0, 2 -; VI-NEXT: buffer_store_short v0, off, s[4:7], 0 -; VI-NEXT: s_endpgm -; -; GFX10-LABEL: ldexp_f16_imm_b: -; GFX10: ; %bb.0: -; GFX10-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 -; GFX10-NEXT: s_mov_b32 s6, -1 -; GFX10-NEXT: s_mov_b32 s7, 0x31016000 -; GFX10-NEXT: s_mov_b32 s10, s6 -; GFX10-NEXT: s_mov_b32 s11, s7 -; GFX10-NEXT: s_waitcnt lgkmcnt(0) -; GFX10-NEXT: s_mov_b32 s8, s2 -; GFX10-NEXT: s_mov_b32 s9, s3 -; GFX10-NEXT: s_mov_b32 s4, s0 -; GFX10-NEXT: buffer_load_ushort v0, off, s[8:11], 0 -; GFX10-NEXT: s_mov_b32 s5, s1 -; GFX10-NEXT: s_waitcnt vmcnt(0) -; GFX10-NEXT: v_ldexp_f16_e64 v0, v0, 2 -; GFX10-NEXT: buffer_store_short v0, off, s[4:7], 0 -; GFX10-NEXT: s_endpgm -; -; GFX11-LABEL: ldexp_f16_imm_b: -; GFX11: ; %bb.0: -; GFX11-NEXT: s_load_b128 s[0:3], s[0:1], 0x24 -; GFX11-NEXT: s_mov_b32 s6, -1 -; GFX11-NEXT: s_mov_b32 s7, 0x31016000 -; GFX11-NEXT: s_mov_b32 s10, s6 -; GFX11-NEXT: s_mov_b32 s11, s7 -; GFX11-NEXT: s_waitcnt lgkmcnt(0) -; GFX11-NEXT: s_mov_b32 s8, s2 -; GFX11-NEXT: s_mov_b32 s9, s3 -; GFX11-NEXT: s_mov_b32 s4, s0 -; GFX11-NEXT: buffer_load_u16 v0, off, s[8:11], 0 -; GFX11-NEXT: s_mov_b32 s5, s1 -; GFX11-NEXT: s_waitcnt vmcnt(0) -; GFX11-NEXT: v_ldexp_f16_e64 v0, v0, 2 -; GFX11-NEXT: buffer_store_b16 v0, off, s[4:7], 0 -; GFX11-NEXT: s_nop 0 -; GFX11-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS) -; GFX11-NEXT: s_endpgm - ptr addrspace(1) %r, - ptr addrspace(1) %a) { - %a.val = load half, ptr addrspace(1) %a - %r.val = call half @llvm.amdgcn.ldexp.f16(half %a.val, i32 2) - store half %r.val, ptr addrspace(1) %r - ret void -} diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll deleted file mode 100644 index d428206..0000000 --- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll +++ /dev/null @@ -1,31 +0,0 @@ -; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s -; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s - -declare float @llvm.amdgcn.ldexp.f32(float, i32) nounwind readnone -declare double @llvm.amdgcn.ldexp.f64(double, i32) nounwind readnone - -; SI-LABEL: {{^}}test_ldexp_f32: -; SI: v_ldexp_f32 -; SI: s_endpgm -define amdgpu_kernel void @test_ldexp_f32(ptr addrspace(1) %out, float %a, i32 %b) nounwind { - %result = call float @llvm.amdgcn.ldexp.f32(float %a, i32 %b) nounwind readnone - store float %result, ptr addrspace(1) %out, align 4 - ret void -} - -; SI-LABEL: {{^}}test_ldexp_f64: -; SI: v_ldexp_f64 -; SI: s_endpgm -define amdgpu_kernel void @test_ldexp_f64(ptr addrspace(1) %out, double %a, i32 %b) nounwind { - %result = call double @llvm.amdgcn.ldexp.f64(double %a, i32 %b) nounwind readnone - store double %result, ptr addrspace(1) %out, align 8 - ret void -} - -; SI-LABEL: {{^}}test_ldexp_undef_f32: -; SI-NOT: v_ldexp_f32 -define amdgpu_kernel void @test_ldexp_undef_f32(ptr addrspace(1) %out, i32 %b) nounwind { - %result = call float @llvm.amdgcn.ldexp.f32(float undef, i32 %b) nounwind readnone - store float %result, ptr addrspace(1) %out, align 4 - ret void -} diff --git a/llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll b/llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll deleted file mode 100644 index 8b2bb8b..0000000 --- a/llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll +++ /dev/null @@ -1,342 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -mtriple=amdgcn-amd-amdhsa -passes=instcombine -S | FileCheck %s - -define float @ldexp_f32_undef_undef() { -; CHECK-LABEL: @ldexp_f32_undef_undef( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %call = call float @llvm.amdgcn.ldexp.f32(float undef, i32 undef) - ret float %call -} - -; If the exponent is 0, it doesn't matter if the first argument is -; constant or not. -define void @ldexp_f32_exp0(float %x) { -; CHECK-LABEL: @ldexp_f32_exp0( -; CHECK-NEXT: store volatile float [[X:%.*]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float [[X]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[ONE:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X]], i32 1) -; CHECK-NEXT: store volatile float [[ONE]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %zero = call float @llvm.amdgcn.ldexp.f32(float %x, i32 0) - store volatile float %zero, ptr addrspace(1) undef - - %undef = call float @llvm.amdgcn.ldexp.f32(float %x, i32 undef) - store volatile float %undef, ptr addrspace(1) undef - - %one = call float @llvm.amdgcn.ldexp.f32(float %x, i32 1) - store volatile float %one, ptr addrspace(1) undef - ret void -} - -; Test variable exponent but zero or undef value. -define void @ldexp_f32_val0(i32 %y) { -; CHECK-LABEL: @ldexp_f32_val0( -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 %y) - store volatile float %zero, ptr addrspace(1) undef - - %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 %y) - store volatile float %neg.zero, ptr addrspace(1) undef - - %undef = call float @llvm.amdgcn.ldexp.f32(float undef, i32 %y) - store volatile float %undef, ptr addrspace(1) undef - ret void -} - -define void @ldexp_f32_val_infinity(i32 %y) { -; CHECK-LABEL: @ldexp_f32_val_infinity( -; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %inf = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0000000000000, i32 %y) - store volatile float %inf, ptr addrspace(1) undef - - %neg.inf = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000000000000, i32 %y) - store volatile float %neg.inf, ptr addrspace(1) undef - - %inf.zero = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0000000000000, i32 0) - store volatile float %inf.zero, ptr addrspace(1) undef - - %neg.inf.zero = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000000000000, i32 0) - store volatile float %neg.inf.zero, ptr addrspace(1) undef - - ret void -} - -; Signaling nan should be quieted. -; Technically this depends on the ieee_mode in the mode register. -define void @ldexp_f32_val_nan(i32 %y) { -; CHECK-LABEL: @ldexp_f32_val_nan( -; CHECK-NEXT: store volatile float 0x7FF8001000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xFFF8000100000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x7FF8000020000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xFFFFFFFFE0000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %plus.qnan = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0001000000000, i32 %y) - store volatile float %plus.qnan, ptr addrspace(1) undef - - %neg.qnan = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000100000000, i32 %y) - store volatile float %neg.qnan, ptr addrspace(1) undef - - %plus.snan = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 %y) - store volatile float %plus.snan, ptr addrspace(1) undef - - %neg.snan = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 %y) - store volatile float %neg.snan, ptr addrspace(1) undef - - ret void -} - -define void @ldexp_f32_val_nan_strictfp(i32 %y) #0 { -; CHECK-LABEL: @ldexp_f32_val_nan_strictfp( -; CHECK-NEXT: [[PLUS_QNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0001000000000, i32 [[Y:%.*]]) #[[ATTR0:[0-9]+]] -; CHECK-NEXT: store volatile float [[PLUS_QNAN]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[NEG_QNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0xFFF0000100000000, i32 [[Y]]) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[NEG_QNAN]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[PLUS_SNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 [[Y]]) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[PLUS_SNAN]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[NEG_SNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 [[Y]]) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[NEG_SNAN]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %plus.qnan = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0001000000000, i32 %y) #0 - store volatile float %plus.qnan, ptr addrspace(1) undef - - %neg.qnan = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000100000000, i32 %y) #0 - store volatile float %neg.qnan, ptr addrspace(1) undef - - %plus.snan = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 %y) #0 - store volatile float %plus.snan, ptr addrspace(1) undef - - %neg.snan = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 %y) #0 - store volatile float %neg.snan, ptr addrspace(1) undef - - %undef = call float @llvm.amdgcn.ldexp.f32(float undef, i32 %y) #0 - store volatile float %undef, ptr addrspace(1) undef - - ret void -} - -define void @ldexp_f32_0() { -; CHECK-LABEL: @ldexp_f32_0( -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 0) - store volatile float %zero, ptr addrspace(1) undef - - %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 0) - store volatile float %neg.zero, ptr addrspace(1) undef - - %one = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 1) - store volatile float %one, ptr addrspace(1) undef - - %min.exp = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 -126) - store volatile float %min.exp, ptr addrspace(1) undef - - %min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 -127) - store volatile float %min.exp.sub1, ptr addrspace(1) undef - - %max.exp = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 127) - store volatile float %max.exp, ptr addrspace(1) undef - - %max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 128) - store volatile float %max.exp.plus1, ptr addrspace(1) undef - - ret void -} - -; Should be able to ignore strictfp in this case -define void @ldexp_f32_0_strictfp(float %x) #0 { -; CHECK-LABEL: @ldexp_f32_0_strictfp( -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[UNKNOWN_ZERO:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X:%.*]], i32 0) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[UNKNOWN_ZERO]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[UNKNOWN_UNDEF:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X]], i32 undef) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[UNKNOWN_UNDEF]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[DENORMAL_0:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[DENORMAL_0]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: [[DENORMAL_1:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) #[[ATTR0]] -; CHECK-NEXT: store volatile float [[DENORMAL_1]], ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 0) #0 - store volatile float %zero, ptr addrspace(1) undef - - %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 0) #0 - store volatile float %neg.zero, ptr addrspace(1) undef - - %one = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 1) #0 - store volatile float %one, ptr addrspace(1) undef - - %unknown.zero = call float @llvm.amdgcn.ldexp.f32(float %x, i32 0) #0 - store volatile float %unknown.zero, ptr addrspace(1) undef - - %unknown.undef = call float @llvm.amdgcn.ldexp.f32(float %x, i32 undef) #0 - store volatile float %unknown.undef, ptr addrspace(1) undef - - %denormal.0 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) #0 - store volatile float %denormal.0, ptr addrspace(1) undef - - %denormal.1 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) #0 - store volatile float %denormal.1, ptr addrspace(1) undef - - ret void -} - -define void @ldexp_f32() { -; CHECK-LABEL: @ldexp_f32( -; CHECK-NEXT: store volatile float 2.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 4.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 8.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 5.000000e-01, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x3810000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x3800000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x47E0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -2.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -4.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -8.000000e+00, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float -5.000000e-01, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xB810000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xB800000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xC7E0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x44D5000000000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %one.one = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 1) - store volatile float %one.one, ptr addrspace(1) undef - - %one.two = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 2) - store volatile float %one.two, ptr addrspace(1) undef - - %one.three = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 3) - store volatile float %one.three, ptr addrspace(1) undef - - %one.negone = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -1) - store volatile float %one.negone, ptr addrspace(1) undef - - %one.min.exp = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -126) - store volatile float %one.min.exp, ptr addrspace(1) undef - - %one.min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -127) - store volatile float %one.min.exp.sub1, ptr addrspace(1) undef - - %one.max.exp = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 127) - store volatile float %one.max.exp, ptr addrspace(1) undef - - %one.max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 128) - store volatile float %one.max.exp.plus1, ptr addrspace(1) undef - - %neg.one.one = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 1) - store volatile float %neg.one.one, ptr addrspace(1) undef - - %neg.one.two = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 2) - store volatile float %neg.one.two, ptr addrspace(1) undef - - %neg.one.three = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 3) - store volatile float %neg.one.three, ptr addrspace(1) undef - - %neg.one.negone = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -1) - store volatile float %neg.one.negone, ptr addrspace(1) undef - - %neg.one.min.exp = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -126) - store volatile float %neg.one.min.exp, ptr addrspace(1) undef - - %neg.one.min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -127) - store volatile float %neg.one.min.exp.sub1, ptr addrspace(1) undef - - %neg.one.max.exp = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 127) - store volatile float %neg.one.max.exp, ptr addrspace(1) undef - - %neg.one.max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 128) - store volatile float %neg.one.max.exp.plus1, ptr addrspace(1) undef - - %fortytwo.seven = call float @llvm.amdgcn.ldexp.f32(float 42.0, i32 73) - store volatile float %fortytwo.seven, ptr addrspace(1) undef - - ret void -} - -; Technically we should probably flush these depending on the expected -; denormal mode of the function, but no other IR constant folding -; considers this. -define void @ldexp_f32_denormal() { -; CHECK-LABEL: @ldexp_f32_denormal( -; CHECK-NEXT: store volatile float 0x380FFFFFC0000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: store volatile float 0x381FFFFFC0000000, ptr addrspace(1) undef, align 4 -; CHECK-NEXT: ret void -; - %denormal.0 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) - store volatile float %denormal.0, ptr addrspace(1) undef - - %denormal.1 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) - store volatile float %denormal.1, ptr addrspace(1) undef - - ret void -} - -define void @ldexp_f64() { -; CHECK-LABEL: @ldexp_f64( -; CHECK-NEXT: store volatile double 2.000000e+00, ptr addrspace(1) undef, align 8 -; CHECK-NEXT: store volatile double 4.000000e+00, ptr addrspace(1) undef, align 8 -; CHECK-NEXT: store volatile double 0x44D5000000000000, ptr addrspace(1) undef, align 8 -; CHECK-NEXT: ret void -; - %one.one = call double @llvm.amdgcn.ldexp.f64(double 1.0, i32 1) - store volatile double %one.one, ptr addrspace(1) undef - - %one.two = call double @llvm.amdgcn.ldexp.f64(double 1.0, i32 2) - store volatile double %one.two, ptr addrspace(1) undef - - %fortytwo.seven = call double @llvm.amdgcn.ldexp.f64(double 42.0, i32 73) - store volatile double %fortytwo.seven, ptr addrspace(1) undef - - ret void -} - -define void @ldexp_f16() { -; CHECK-LABEL: @ldexp_f16( -; CHECK-NEXT: store volatile half 0xH4000, ptr addrspace(1) undef, align 2 -; CHECK-NEXT: store volatile half 0xH4400, ptr addrspace(1) undef, align 2 -; CHECK-NEXT: store volatile half 0xH7C00, ptr addrspace(1) undef, align 2 -; CHECK-NEXT: ret void -; - %one.one = call half @llvm.amdgcn.ldexp.f16(half 1.0, i32 1) - store volatile half %one.one, ptr addrspace(1) undef - - %one.two = call half @llvm.amdgcn.ldexp.f16(half 1.0, i32 2) - store volatile half %one.two, ptr addrspace(1) undef - - %fortytwo.seven = call half @llvm.amdgcn.ldexp.f16(half 42.0, i32 73) - store volatile half %fortytwo.seven, ptr addrspace(1) undef - - ret void -} - -declare half @llvm.amdgcn.ldexp.f16(half, i32) #1 -declare float @llvm.amdgcn.ldexp.f32(float, i32) #1 -declare double @llvm.amdgcn.ldexp.f64(double, i32) #1 - -attributes #0 = { strictfp } -attributes #1 = { nounwind readnone speculatable } |