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; ModuleID = ''
target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
target triple = "spir-unknown-unknown"
; RUN: llvm-as %s -o %t.bc
; RUN: llvm-spirv %t.bc -o %t.spv
; RUN: llvm-spirv -r --spirv-target-env=CL2.0 %t.spv -o %t.bc
; RUN: llvm-dis < %t.bc | FileCheck %s
; Check 'LLVM ==> SPIR-V ==> LLVM' conversion of atomic_compare_exchange_strong and atomic_compare_exchange_weak.
; SPIR-V does not include an equivalent of atomic_compare_exchange_weak
; (OpAtomicCompareExchangeWeak is identical to OpAtomicCompareExchange and
; is deprecated, and removed in SPIR-V 1.4.)
; This breaks the round trip for atomic_compare_exchange_weak, which must be
; translated back to LLVM IR as atomic_compare_exchange_strong, regardless
; of whether OpAtomicCompareExchange or OpAtomicCompareExchangeWeak is used.
; Function Attrs: nounwind
; CHECK-LABEL: define spir_func void @test_strong
; CHECK-NEXT: entry:
; CHECK: [[PTR_STRONG:%expected[0-9]*]] = alloca i32, align 4
; CHECK: store i32 {{.*}}, i32* [[PTR_STRONG]]
; CHECK: [[PTR_STRONG]].as = addrspacecast i32* [[PTR_STRONG]] to i32 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicit{{.*}}(i32 {{.*}}* %object, i32 {{.*}}* [[PTR_STRONG]].as, i32 %desired, i32 5, i32 5, i32 2)
; CHECK: load i32, i32 addrspace(4)* [[PTR_STRONG]].as
; CHECK-LABEL: define spir_func void @test_strong_float
; CHECK-NEXT: entry:
; CHECK: [[PTR_STRONG:%expected[0-9]*]] = alloca i32, align 4
; CHECK: [[OBJECT_CAST:%[0-9]+]] = bitcast float addrspace(4)* %object to i32 addrspace(4)*
; CHECK: [[DESIRED_CAST:%[0-9]*]] = bitcast float %desired to i32
; CHECK: store i32 {{.*}}, i32* [[PTR_STRONG]]
; CHECK: [[PTR_STRONG]].as = addrspacecast i32* [[PTR_STRONG]] to i32 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicit{{.*}}(i32 {{.*}}* [[OBJECT_CAST]], i32 {{.*}}* [[PTR_STRONG]].as, i32 [[DESIRED_CAST]], i32 5, i32 5, i32 2)
; CHECK: load i32, i32 addrspace(4)* [[PTR_STRONG]].as
; CHECK-LABEL: define spir_func void @test_strong_double
; CHECK-NEXT: entry:
; CHECK: [[PTR_STRONG:%expected[0-9]*]] = alloca i64, align 8
; CHECK: [[OBJECT_CAST:%[0-9]+]] = bitcast double addrspace(4)* %object to i64 addrspace(4)*
; CHECK: [[DESIRED_CAST:%[0-9]*]] = bitcast double %desired to i64
; CHECK: store i64 {{.*}}, i64* [[PTR_STRONG]]
; CHECK: [[PTR_STRONG]].as = addrspacecast i64* [[PTR_STRONG]] to i64 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicit{{.*}}(i64 {{.*}}* [[OBJECT_CAST]], i64 {{.*}}* [[PTR_STRONG]].as, i64 [[DESIRED_CAST]], i32 5, i32 5, i32 2)
; CHECK: load i64, i64 addrspace(4)* [[PTR_STRONG]].as
; CHECK-LABEL: define spir_func void @test_weak
; CHECK-NEXT: entry:
; CHECK: [[PTR_WEAK:%expected[0-9]*]] = alloca i32, align 4
; CHECK: store i32 {{.*}}, i32* [[PTR_WEAK]]
; CHECK: [[PTR_WEAK]].as = addrspacecast i32* [[PTR_WEAK]] to i32 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicitPU3AS4VU7_AtomiciPU3AS4ii12memory_orderS4_12memory_scope{{.*}}(i32 {{.*}}* %object, i32 {{.*}}* [[PTR_WEAK]].as, i32 %desired, i32 5, i32 5, i32 2)
; CHECK: load i32, i32 addrspace(4)* [[PTR_WEAK]].as
; CHECK-LABEL: define spir_func void @test_weak_float
; CHECK-NEXT: entry:
; CHECK: [[PTR_WEAK:%expected[0-9]*]] = alloca i32, align 4
; CHECK: [[OBJECT_CAST:%[0-9]+]] = bitcast float addrspace(4)* %object to i32 addrspace(4)*
; CHECK: [[DESIRED_CAST:%[0-9]*]] = bitcast float %desired to i32
; CHECK: store i32 {{.*}}, i32* [[PTR_WEAK]]
; CHECK: [[PTR_WEAK]].as = addrspacecast i32* [[PTR_WEAK]] to i32 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicitPU3AS4VU7_AtomiciPU3AS4ii12memory_orderS4_12memory_scope(i32 {{.*}}* [[OBJECT_CAST]], i32 {{.*}}* [[PTR_WEAK]].as, i32 [[DESIRED_CAST]], i32 5, i32 5, i32 2)
; CHECK: load i32, i32 addrspace(4)* [[PTR_WEAK]].as
; CHECK-LABEL: define spir_func void @test_weak_double
; CHECK-NEXT: entry:
; CHECK: [[PTR_WEAK:%expected[0-9]*]] = alloca i64, align 8
; CHECK: [[OBJECT_CAST:%[0-9]+]] = bitcast double addrspace(4)* %object to i64 addrspace(4)*
; CHECK: [[DESIRED_CAST:%[0-9]*]] = bitcast double %desired to i64
; CHECK: store i64 {{.*}}, i64* [[PTR_WEAK]]
; CHECK: [[PTR_WEAK]].as = addrspacecast i64* [[PTR_WEAK]] to i64 addrspace(4)*
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicitPU3AS4VU7_AtomiclPU3AS4ll12memory_orderS4_12memory_scope(i64 {{.*}}* [[OBJECT_CAST]], i64 {{.*}}* [[PTR_WEAK]].as, i64 [[DESIRED_CAST]], i32 5, i32 5, i32 2)
; CHECK: load i64, i64 addrspace(4)* [[PTR_WEAK]].as
; Check that alloca for atomic_compare_exchange is being created in the entry block.
; CHECK-LABEL: @atomic_in_loop
; CHECK-LABEL: entry:
; CHECK: %expected{{[0-9]*}} = alloca i32
; CHECK-LABEL: for.body:
; CHECK-NOT: %expected{{[0-9]*}} = alloca i32
; CHECK: call spir_func i1 @_Z39atomic_compare_exchange_strong_explicit{{.*}}(i32 {{.*}}* {{.*}}, i32 addrspace(4)* {{.*}}, i32 {{.*}}, i32 5, i32 5, i32 2)
; Function Attrs: nounwind
define spir_func void @test_strong(i32 addrspace(4)* %object, i32 addrspace(4)* %expected, i32 %desired) #0 {
entry:
%call = tail call spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPVU3AS4U7_AtomiciPU3AS4ii(i32 addrspace(4)* %object, i32 addrspace(4)* %expected, i32 %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPVU3AS4U7_AtomiciPU3AS4ii(i32 addrspace(4)*, i32 addrspace(4)*, i32) #1
define spir_func void @test_strong_float(float addrspace(4)* %object, float addrspace(4)* %expected, float %desired) #0 {
entry:
%call = call spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPU3AS1VU7_AtomicfPU3AS1ff(float addrspace(4)* %object, float addrspace(4)* %expected, float %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPU3AS1VU7_AtomicfPU3AS1ff(float addrspace(4)*, float addrspace(4)*, float)
define spir_func void @test_strong_double(double addrspace(4)* %object, double addrspace(4)* %expected, double %desired) #0 {
entry:
%call = call spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPU3AS1VU7_AtomicdPU3AS1dd(double addrspace(4)* %object, double addrspace(4)* %expected, double %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPU3AS1VU7_AtomicdPU3AS1dd(double addrspace(4)*, double addrspace(4)*, double)
; Function Attrs: nounwind
define spir_func void @test_weak(i32 addrspace(4)* %object, i32 addrspace(4)* %expected, i32 %desired) #0 {
entry:
%call2 = tail call spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPVU3AS4U7_AtomiciPU3AS4ii(i32 addrspace(4)* %object, i32 addrspace(4)* %expected, i32 %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPVU3AS4U7_AtomiciPU3AS4ii(i32 addrspace(4)*, i32 addrspace(4)*, i32) #1
define spir_func void @test_weak_float(float addrspace(4)* %object, float addrspace(4)* %expected, float %desired) #0 {
entry:
%call = call spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPU3AS1VU7_AtomicfPU3AS1ff(float addrspace(4)* %object, float addrspace(4)* %expected, float %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPU3AS1VU7_AtomicfPU3AS1ff(float addrspace(4)*, float addrspace(4)*, float)
define spir_func void @test_weak_double(double addrspace(4)* %object, double addrspace(4)* %expected, double %desired) #0 {
entry:
%call = call spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPU3AS1VU7_AtomicdPU3AS1dd(double addrspace(4)* %object, double addrspace(4)* %expected, double %desired) #2
ret void
}
declare spir_func zeroext i1 @_Z28atomic_compare_exchange_weakPU3AS1VU7_AtomicdPU3AS1dd(double addrspace(4)*, double addrspace(4)*, double)
; Function Attrs: nounwind
define spir_kernel void @atomic_in_loop(i32 addrspace(1)* %destMemory, i32 addrspace(1)* %oldValues) #0 {
entry:
%destMemory.addr = alloca i32 addrspace(1)*, align 8
%oldValues.addr = alloca i32 addrspace(1)*, align 8
%expected = alloca i32, align 4
%previous = alloca i32, align 4
%i = alloca i32, align 4
store i32 addrspace(1)* %destMemory, i32 addrspace(1)** %destMemory.addr, align 8
store i32 addrspace(1)* %oldValues, i32 addrspace(1)** %oldValues.addr, align 8
store i32 0, i32* %i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%0 = load i32, i32* %i, align 4
%cmp = icmp slt i32 %0, 100000
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%1 = load i32 addrspace(1)*, i32 addrspace(1)** %destMemory.addr, align 8
%arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %1, i64 0
%2 = addrspacecast i32 addrspace(1)* %arrayidx to i32 addrspace(4)*
%3 = addrspacecast i32* %expected to i32 addrspace(4)*
%4 = load i32 addrspace(1)*, i32 addrspace(1)** %oldValues.addr, align 8
%arrayidx1 = getelementptr inbounds i32, i32 addrspace(1)* %4, i64 0
%5 = load i32, i32 addrspace(1)* %arrayidx1, align 4
%call = call spir_func zeroext i1 @_Z30atomic_compare_exchange_strongPVU3AS4U7_AtomiciPU3AS4ii(i32 addrspace(4)* %2, i32 addrspace(4)* %3, i32 %5)
br label %for.inc
for.inc: ; preds = %for.body
%6 = load i32, i32* %i, align 4
%inc = add nsw i32 %6, 1
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }
!opencl.enable.FP_CONTRACT = !{}
!opencl.spir.version = !{!0}
!opencl.ocl.version = !{!1}
!opencl.used.extensions = !{!2}
!opencl.used.optional.core.features = !{!2}
!opencl.compiler.options = !{!2}
!0 = !{i32 1, i32 2}
!1 = !{i32 2, i32 0}
!2 = !{}
|
