[llvm] edecb60 - Reapply "AMDGPU: Drop and auto-upgrade llvm.amdgcn.ldexp to llvm.ldexp"
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 12 22:38:57 PDT 2023
Author: Matt Arsenault
Date: 2023-09-13T08:38:48+03:00
New Revision: edecb6048148b7c22cfe567ccbf2dba5e1000bdc
URL: https://github.com/llvm/llvm-project/commit/edecb6048148b7c22cfe567ccbf2dba5e1000bdc
DIFF: https://github.com/llvm/llvm-project/commit/edecb6048148b7c22cfe567ccbf2dba5e1000bdc.diff
LOG: Reapply "AMDGPU: Drop and auto-upgrade llvm.amdgcn.ldexp to llvm.ldexp"
This reverts commit d9333e360a7c52587ab6e4328e7493b357fb2cf3.
Added:
llvm/test/Bitcode/amdgcn-ldexp.ll
Modified:
llvm/include/llvm/IR/IntrinsicsAMDGPU.td
llvm/lib/Analysis/ConstantFolding.cpp
llvm/lib/IR/AutoUpgrade.cpp
llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
llvm/lib/Target/AMDGPU/SIISelLowering.cpp
llvm/test/CodeGen/AMDGPU/known-never-snan.ll
Removed:
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll
llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll
################################################################################
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index 124f22c1a9b27c7..4f42462f655e260 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 f12a5dd2f5522c0..e08d991dc06093f 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 4e10c6ce5e2bd50..eedde64203e09cc 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 bce7597b9d2a507..9698b6e495c4a72 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 992f9964bf2e7de..f49945da0da2189 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 e87e3dc1393273d..777fe76df1151cd 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 000000000000000..0ba901af5c75844
--- /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 5ee6eda85f0ad1f..cb544732431a630 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 3b9dfb911f85d62..000000000000000
--- 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 d4282061a3fcebf..000000000000000
--- 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 8b2bb8b48ff8be8..000000000000000
--- 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 }
More information about the llvm-commits
mailing list