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[Backport to 16] Fix BFloat16 mangling (#3355) #3366

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Sep 29, 2025
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[Backport to 16] Fix BFloat16 mangling (#3355) #3366

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4 changes: 3 additions & 1 deletion lib/SPIRV/Mangler/ManglingUtils.cpp
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Expand Up @@ -93,6 +93,7 @@ static const char *PrimitiveNames[PRIMITIVE_NUM] = {
"intel_sub_group_avc_ime_result_dual_reference_streamin_t"
};

// clang-format off
const char *MangledTypes[PRIMITIVE_NUM] = {
"b", // BOOL
"h", // UCHAR
Expand All @@ -106,7 +107,7 @@ const char *MangledTypes[PRIMITIVE_NUM] = {
"Dh", // HALF
"f", // FLOAT
"d", // DOUBLE
"u6__bf16", // __BF16
"DF16b", // __BF16
"v", // VOID
"z", // VarArg
"14ocl_image1d_ro", // PRIMITIVE_IMAGE1D_RO_T
Expand Down Expand Up @@ -175,6 +176,7 @@ const char *MangledTypes[PRIMITIVE_NUM] = {
"55ocl_intel_sub_group_avc_ime_single_reference_streamin_t", // PRIMITIVE_SUB_GROUP_AVC_IME_SINGLE_REF_STREAMIN_T
"53ocl_intel_sub_group_avc_ime_dual_reference_streamin_t" // PRIMITIVE_SUB_GROUP_AVC_IME_DUAL_REF_STREAMIN_T
};
// clang-format on

const char *ReadableAttribute[ATTR_NUM] = {
"restrict", "volatile", "const", "__private",
Expand Down
4 changes: 2 additions & 2 deletions lib/SPIRV/SPIRVUtil.cpp
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Expand Up @@ -551,8 +551,8 @@ ParamType lastFuncParamType(StringRef MangledName) {
char Mangled = Copy.back();
std::string Mangled2 = Copy.substr(Copy.size() - 2);

std::string Mangled6 = Copy.substr(Copy.size() - 6);
if (Mangled6 == "__bf16") {
std::string Mangled5 = Copy.substr(Copy.size() - 5);
if (Mangled5 == "DF16b") {
return ParamType::FLOAT;
}

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106 changes: 53 additions & 53 deletions test/extensions/INTEL/SPV_INTEL_bfloat16/bfloat16_math.ll
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Expand Up @@ -126,44 +126,44 @@ target triple = "spirv64-unknown-unknown"
; CHECK-LLVM: %OpFUnordLessThanEqual = fcmp ule bfloat [[DATA1]], [[DATA2]]
; CHECK-LLVM: %OpFOrdGreaterThanEqual = fcmp oge bfloat [[DATA1]], [[DATA2]]
; CHECK-LLVM: %OpFUnordGreaterThanEqual = fcmp uge bfloat [[DATA1]], [[DATA2]]
; CHECK-LLVM: %fabs = call spir_func bfloat @_Z4fabsu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %fclamp = call spir_func bfloat @_Z5clampu6__bf16u6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %fma = call spir_func bfloat @_Z3fmau6__bf16u6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %fmax = call spir_func bfloat @_Z4fmaxu6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %fmin = call spir_func bfloat @_Z4fminu6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %mad = call spir_func bfloat @_Z3madu6__bf16u6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %nan = call spir_func bfloat @_Z3nanu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_cos = call spir_func bfloat @_Z10native_cosu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_divide = call spir_func bfloat @_Z13native_divideu6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %native_exp = call spir_func bfloat @_Z10native_expu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_exp10 = call spir_func bfloat @_Z12native_exp10u6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_exp2 = call spir_func bfloat @_Z11native_exp2u6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_log = call spir_func bfloat @_Z10native_logu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_log10 = call spir_func bfloat @_Z12native_log10u6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_log2 = call spir_func bfloat @_Z11native_log2u6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_powr = call spir_func bfloat @_Z11native_powru6__bf16u6__bf16(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %native_recip = call spir_func bfloat @_Z12native_recipu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_rsqrt = call spir_func bfloat @_Z12native_rsqrtu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_sin = call spir_func bfloat @_Z10native_sinu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_sqrt = call spir_func bfloat @_Z11native_sqrtu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %native_tan = call spir_func bfloat @_Z10native_tanu6__bf16(bfloat [[DATA1]])
; CHECK-LLVM: %fabs = call spir_func bfloat @_Z4fabsDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %fclamp = call spir_func bfloat @_Z5clampDF16bDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %fma = call spir_func bfloat @_Z3fmaDF16bDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %fmax = call spir_func bfloat @_Z4fmaxDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %fmin = call spir_func bfloat @_Z4fminDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %mad = call spir_func bfloat @_Z3madDF16bDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]], bfloat [[DATA3]])
; CHECK-LLVM: %nan = call spir_func bfloat @_Z3nanDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_cos = call spir_func bfloat @_Z10native_cosDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_divide = call spir_func bfloat @_Z13native_divideDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %native_exp = call spir_func bfloat @_Z10native_expDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_exp10 = call spir_func bfloat @_Z12native_exp10DF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_exp2 = call spir_func bfloat @_Z11native_exp2DF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_log = call spir_func bfloat @_Z10native_logDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_log10 = call spir_func bfloat @_Z12native_log10DF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_log2 = call spir_func bfloat @_Z11native_log2DF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_powr = call spir_func bfloat @_Z11native_powrDF16bDF16b(bfloat [[DATA1]], bfloat [[DATA2]])
; CHECK-LLVM: %native_recip = call spir_func bfloat @_Z12native_recipDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_rsqrt = call spir_func bfloat @_Z12native_rsqrtDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_sin = call spir_func bfloat @_Z10native_sinDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_sqrt = call spir_func bfloat @_Z11native_sqrtDF16b(bfloat [[DATA1]])
; CHECK-LLVM: %native_tan = call spir_func bfloat @_Z10native_tanDF16b(bfloat [[DATA1]])

declare spir_func bfloat @_Z5clampu6__bf16u6__bf16u6__bf16(bfloat, bfloat, bfloat)
declare spir_func bfloat @_Z3nanu6__bf16(bfloat)
declare spir_func bfloat @_Z10native_cosu6__bf16(bfloat)
declare spir_func bfloat @_Z13native_divideu6__bf16u6__bf16(bfloat, bfloat)
declare spir_func bfloat @_Z10native_expu6__bf16(bfloat)
declare spir_func bfloat @_Z12native_exp10u6__bf16(bfloat)
declare spir_func bfloat @_Z11native_exp2u6__bf16(bfloat)
declare spir_func bfloat @_Z10native_logu6__bf16(bfloat)
declare spir_func bfloat @_Z12native_log10u6__bf16(bfloat)
declare spir_func bfloat @_Z11native_log2u6__bf16(bfloat)
declare spir_func bfloat @_Z11native_powru6__bf16u6__bf16(bfloat, bfloat)
declare spir_func bfloat @_Z12native_recipu6__bf16(bfloat)
declare spir_func bfloat @_Z12native_rsqrtu6__bf16(bfloat)
declare spir_func bfloat @_Z10native_sinu6__bf16(bfloat)
declare spir_func bfloat @_Z11native_sqrtu6__bf16(bfloat)
declare spir_func bfloat @_Z10native_tanu6__bf16(bfloat)
declare spir_func bfloat @_Z5clampDF16bDF16bDF16b(bfloat, bfloat, bfloat)
declare spir_func bfloat @_Z3nanDF16b(bfloat)
declare spir_func bfloat @_Z10native_cosDF16b(bfloat)
declare spir_func bfloat @_Z13native_divideDF16bDF16b(bfloat, bfloat)
declare spir_func bfloat @_Z10native_expDF16b(bfloat)
declare spir_func bfloat @_Z12native_exp10DF16b(bfloat)
declare spir_func bfloat @_Z11native_exp2DF16b(bfloat)
declare spir_func bfloat @_Z10native_logDF16b(bfloat)
declare spir_func bfloat @_Z12native_log10DF16b(bfloat)
declare spir_func bfloat @_Z11native_log2DF16b(bfloat)
declare spir_func bfloat @_Z11native_powrDF16bDF16b(bfloat, bfloat)
declare spir_func bfloat @_Z12native_recipDF16b(bfloat)
declare spir_func bfloat @_Z12native_rsqrtDF16b(bfloat)
declare spir_func bfloat @_Z10native_sinDF16b(bfloat)
declare spir_func bfloat @_Z11native_sqrtDF16b(bfloat)
declare spir_func bfloat @_Z10native_tanDF16b(bfloat)

define spir_func void @OpPhi(bfloat %data1, bfloat %data2) {
br label %blockA
Expand Down Expand Up @@ -223,26 +223,26 @@ entry:
%OpFOrdGreaterThanEqual = fcmp oge bfloat %data1, %data2
%OpFUnordGreaterThanEqual = fcmp uge bfloat %data1, %data2
%fabs = call bfloat @llvm.fabs.bfloat(bfloat %data1)
%fclamp = call spir_func bfloat @_Z5clampu6__bf16u6__bf16u6__bf16(bfloat %data1, bfloat %data2, bfloat %data3)
%fclamp = call spir_func bfloat @_Z5clampDF16bDF16bDF16b(bfloat %data1, bfloat %data2, bfloat %data3)
%fma = call bfloat @llvm.fma.bfloat(bfloat %data1, bfloat %data2, bfloat %data3)
%fmax = call bfloat @llvm.maxnum.bfloat(bfloat %data1, bfloat %data2)
%fmin = call bfloat @llvm.minnum.bfloat(bfloat %data1, bfloat %data2)
%mad = call bfloat @llvm.fmuladd.bfloat(bfloat %data1, bfloat %data2, bfloat %data3)
%nan = call spir_func bfloat @_Z3nanu6__bf16(bfloat %data1)
%native_cos = call spir_func bfloat @_Z10native_cosu6__bf16(bfloat %data1)
%native_divide = call spir_func bfloat @_Z13native_divideu6__bf16u6__bf16(bfloat %data1, bfloat %data2)
%native_exp = call spir_func bfloat @_Z10native_expu6__bf16(bfloat %data1)
%native_exp10 = call spir_func bfloat @_Z12native_exp10u6__bf16(bfloat %data1)
%native_exp2 = call spir_func bfloat @_Z11native_exp2u6__bf16(bfloat %data1)
%native_log = call spir_func bfloat @_Z10native_logu6__bf16(bfloat %data1)
%native_log10 = call spir_func bfloat @_Z12native_log10u6__bf16(bfloat %data1)
%native_log2 = call spir_func bfloat @_Z11native_log2u6__bf16(bfloat %data1)
%native_powr = call spir_func bfloat @_Z11native_powru6__bf16u6__bf16(bfloat %data1, bfloat %data2)
%native_recip = call spir_func bfloat @_Z12native_recipu6__bf16(bfloat %data1)
%native_rsqrt = call spir_func bfloat @_Z12native_rsqrtu6__bf16(bfloat %data1)
%native_sin = call spir_func bfloat @_Z10native_sinu6__bf16(bfloat %data1)
%native_sqrt = call spir_func bfloat @_Z11native_sqrtu6__bf16(bfloat %data1)
%native_tan = call spir_func bfloat @_Z10native_tanu6__bf16(bfloat %data1)
%nan = call spir_func bfloat @_Z3nanDF16b(bfloat %data1)
%native_cos = call spir_func bfloat @_Z10native_cosDF16b(bfloat %data1)
%native_divide = call spir_func bfloat @_Z13native_divideDF16bDF16b(bfloat %data1, bfloat %data2)
%native_exp = call spir_func bfloat @_Z10native_expDF16b(bfloat %data1)
%native_exp10 = call spir_func bfloat @_Z12native_exp10DF16b(bfloat %data1)
%native_exp2 = call spir_func bfloat @_Z11native_exp2DF16b(bfloat %data1)
%native_log = call spir_func bfloat @_Z10native_logDF16b(bfloat %data1)
%native_log10 = call spir_func bfloat @_Z12native_log10DF16b(bfloat %data1)
%native_log2 = call spir_func bfloat @_Z11native_log2DF16b(bfloat %data1)
%native_powr = call spir_func bfloat @_Z11native_powrDF16bDF16b(bfloat %data1, bfloat %data2)
%native_recip = call spir_func bfloat @_Z12native_recipDF16b(bfloat %data1)
%native_rsqrt = call spir_func bfloat @_Z12native_rsqrtDF16b(bfloat %data1)
%native_sin = call spir_func bfloat @_Z10native_sinDF16b(bfloat %data1)
%native_sqrt = call spir_func bfloat @_Z11native_sqrtDF16b(bfloat %data1)
%native_tan = call spir_func bfloat @_Z10native_tanDF16b(bfloat %data1)
ret void
}

Expand Down
6 changes: 3 additions & 3 deletions test/extensions/INTEL/SPV_INTEL_shader_atomic_bfloat16/AtomicFAddEXT.ll
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Expand Up @@ -21,10 +21,10 @@ define dso_local spir_func bfloat @test_AtomicFAddEXT_bfloat(ptr addrspace(4) al
entry:
%0 = addrspacecast ptr addrspace(4) %Arg to ptr addrspace(1)
; CHECK-SPIRV: AtomicFAddEXT [[BFLOAT]]
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1u6__bf16iiu6__bf16({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1DF16biiDF16b({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1DF16biiDF16b(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
ret bfloat %ret
}

; Function Attrs: convergent
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1), i32, i32, bfloat)
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFAddEXTPU3AS1DF16biiDF16b(ptr addrspace(1), i32, i32, bfloat)
6 changes: 3 additions & 3 deletions test/extensions/INTEL/SPV_INTEL_shader_atomic_bfloat16/AtomicFMaxEXT.ll
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Expand Up @@ -21,10 +21,10 @@ define dso_local spir_func bfloat @test_AtomicFMaxEXT_bfloat(ptr addrspace(4) al
entry:
%0 = addrspacecast ptr addrspace(4) %Arg to ptr addrspace(1)
; CHECK-SPIRV: AtomicFMaxEXT [[BFLOAT]]
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1u6__bf16iiu6__bf16({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1DF16biiDF16b({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1DF16biiDF16b(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
ret bfloat %ret
}

; Function Attrs: convergent
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1), i32, i32, bfloat)
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFMaxEXTPU3AS1DF16biiDF16b(ptr addrspace(1), i32, i32, bfloat)
6 changes: 3 additions & 3 deletions test/extensions/INTEL/SPV_INTEL_shader_atomic_bfloat16/AtomicFMinEXT.ll
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Expand Up @@ -21,10 +21,10 @@ define dso_local spir_func bfloat @test_AtomicFMinEXT_bfloat(ptr addrspace(4) al
entry:
%0 = addrspacecast ptr addrspace(4) %Arg to ptr addrspace(1)
; CHECK-SPIRV: AtomicFMinEXT [[BFLOAT]]
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1u6__bf16iiu6__bf16({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
; CHECK-LLVM-SPV: call spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1DF16biiDF16b({{.*}}bfloat
%ret = tail call spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1DF16biiDF16b(ptr addrspace(1) %0, i32 1, i32 896, bfloat 1.000000e+00)
ret bfloat %ret
}

; Function Attrs: convergent
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1u6__bf16iiu6__bf16(ptr addrspace(1), i32, i32, bfloat)
declare dso_local spir_func bfloat @_Z21__spirv_AtomicFMinEXTPU3AS1DF16biiDF16b(ptr addrspace(1), i32, i32, bfloat)
6 changes: 3 additions & 3 deletions test/extensions/KHR/SPV_KHR_bfloat16/bfloat16_dot.ll
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Expand Up @@ -20,17 +20,17 @@ target triple = "spirv64-unknown-unknown"
; CHECK-LLVM: %addrB = alloca <2 x bfloat>
; CHECK-LLVM: %dataA = load <2 x bfloat>, ptr %addrA
; CHECK-LLVM: %dataB = load <2 x bfloat>, ptr %addrB
; CHECK-LLVM: %call = call spir_func bfloat @_Z3dotDv2_u6__bf16S_(<2 x bfloat> %dataA, <2 x bfloat> %dataB)
; CHECK-LLVM: %call = call spir_func bfloat @_Z3dotDv2_DF16bS_(<2 x bfloat> %dataA, <2 x bfloat> %dataB)

declare spir_func bfloat @_Z3dotDv2_u6__bf16Dv2_S_(<2 x bfloat>, <2 x bfloat>)
declare spir_func bfloat @_Z3dotDv2_DF16bDv2_S_(<2 x bfloat>, <2 x bfloat>)

define spir_kernel void @test() {
entry:
%addrA = alloca <2 x bfloat>
%addrB = alloca <2 x bfloat>
%dataA = load <2 x bfloat>, ptr %addrA
%dataB = load <2 x bfloat>, ptr %addrB
%call = call spir_func bfloat @_Z3dotDv2_u6__bf16Dv2_S_(<2 x bfloat> %dataA, <2 x bfloat> %dataB)
%call = call spir_func bfloat @_Z3dotDv2_DF16bDv2_S_(<2 x bfloat> %dataA, <2 x bfloat> %dataB)
ret void
}

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6 changes: 3 additions & 3 deletions test/extensions/KHR/SPV_KHR_bfloat16/cooperative_matrix_bfloat16.ll
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Expand Up @@ -21,14 +21,14 @@
; CHECK-SPIRV-DAG: Constant [[#BFloatTy]] [[#]] 16256
; CHECK-SPIRV: CompositeConstruct [[#MatTy]]

; CHECK-LLVM: call spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructu6__bf16(bfloat 0xR3F80)
; CHECK-LLVM: call spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructDF16b(bfloat 0xR3F80)

target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
target triple = "spir64-unknown-unknown"

declare spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructu6__bf16(bfloat)
declare spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructDF16b(bfloat)

define spir_kernel void @test() {
%mat = call spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructu6__bf16(bfloat 1.0)
%mat = call spir_func target("spirv.CooperativeMatrixKHR", bfloat, 3, 12, 12, 2) @_Z26__spirv_CompositeConstructDF16b(bfloat 1.0)
ret void
}
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