186 lines
8.3 KiB
LLVM
186 lines
8.3 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=infer-address-spaces %s | FileCheck %s
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; Ports of most of test/CodeGen/NVPTX/access-non-generic.ll
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@scalar = internal addrspace(3) global float 0.0, align 4
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@array = internal addrspace(3) global [10 x float] zeroinitializer, align 4
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; CHECK-LABEL: @load_store_lds_f32(
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; CHECK: %tmp = load float, float addrspace(3)* @scalar, align 4
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; CHECK: call void @use(float %tmp)
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; CHECK: store float %v, float addrspace(3)* @scalar, align 4
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; CHECK: call void @llvm.amdgcn.s.barrier()
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; CHECK: %tmp2 = load float, float addrspace(3)* @scalar, align 4
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; CHECK: call void @use(float %tmp2)
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; CHECK: store float %v, float addrspace(3)* @scalar, align 4
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; CHECK: call void @llvm.amdgcn.s.barrier()
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; CHECK: %tmp3 = load float, float addrspace(3)* getelementptr inbounds ([10 x float], [10 x float] addrspace(3)* @array, i32 0, i32 5), align 4
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; CHECK: call void @use(float %tmp3)
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; CHECK: store float %v, float addrspace(3)* getelementptr inbounds ([10 x float], [10 x float] addrspace(3)* @array, i32 0, i32 5), align 4
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; CHECK: call void @llvm.amdgcn.s.barrier()
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; CHECK: %tmp4 = getelementptr inbounds [10 x float], [10 x float] addrspace(3)* @array, i32 0, i32 5
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; CHECK: %tmp5 = load float, float addrspace(3)* %tmp4, align 4
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; CHECK: call void @use(float %tmp5)
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; CHECK: store float %v, float addrspace(3)* %tmp4, align 4
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; CHECK: call void @llvm.amdgcn.s.barrier()
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; CHECK: %tmp7 = getelementptr inbounds [10 x float], [10 x float] addrspace(3)* @array, i32 0, i32 %i
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; CHECK: %tmp8 = load float, float addrspace(3)* %tmp7, align 4
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; CHECK: call void @use(float %tmp8)
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; CHECK: store float %v, float addrspace(3)* %tmp7, align 4
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; CHECK: call void @llvm.amdgcn.s.barrier()
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; CHECK: ret void
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define amdgpu_kernel void @load_store_lds_f32(i32 %i, float %v) #0 {
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bb:
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%tmp = load float, float* addrspacecast (float addrspace(3)* @scalar to float*), align 4
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call void @use(float %tmp)
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store float %v, float* addrspacecast (float addrspace(3)* @scalar to float*), align 4
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call void @llvm.amdgcn.s.barrier()
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%tmp1 = addrspacecast float addrspace(3)* @scalar to float*
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%tmp2 = load float, float* %tmp1, align 4
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call void @use(float %tmp2)
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store float %v, float* %tmp1, align 4
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call void @llvm.amdgcn.s.barrier()
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%tmp3 = load float, float* getelementptr inbounds ([10 x float], [10 x float]* addrspacecast ([10 x float] addrspace(3)* @array to [10 x float]*), i32 0, i32 5), align 4
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call void @use(float %tmp3)
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store float %v, float* getelementptr inbounds ([10 x float], [10 x float]* addrspacecast ([10 x float] addrspace(3)* @array to [10 x float]*), i32 0, i32 5), align 4
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call void @llvm.amdgcn.s.barrier()
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%tmp4 = getelementptr inbounds [10 x float], [10 x float]* addrspacecast ([10 x float] addrspace(3)* @array to [10 x float]*), i32 0, i32 5
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%tmp5 = load float, float* %tmp4, align 4
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call void @use(float %tmp5)
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store float %v, float* %tmp4, align 4
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call void @llvm.amdgcn.s.barrier()
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%tmp6 = addrspacecast [10 x float] addrspace(3)* @array to [10 x float]*
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%tmp7 = getelementptr inbounds [10 x float], [10 x float]* %tmp6, i32 0, i32 %i
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%tmp8 = load float, float* %tmp7, align 4
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call void @use(float %tmp8)
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store float %v, float* %tmp7, align 4
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call void @llvm.amdgcn.s.barrier()
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ret void
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}
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; CHECK-LABEL: @constexpr_load_int_from_float_lds(
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; CHECK: %tmp = load i32, i32 addrspace(3)* bitcast (float addrspace(3)* @scalar to i32 addrspace(3)*), align 4
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define i32 @constexpr_load_int_from_float_lds() #0 {
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bb:
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%tmp = load i32, i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @scalar to i32 addrspace(3)*) to i32*), align 4
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ret i32 %tmp
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}
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; CHECK-LABEL: @load_int_from_global_float(
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; CHECK: %tmp1 = getelementptr float, float addrspace(1)* %input, i32 %i
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; CHECK: %tmp2 = getelementptr float, float addrspace(1)* %tmp1, i32 %j
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; CHECK: %tmp3 = bitcast float addrspace(1)* %tmp2 to i32 addrspace(1)*
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; CHECK: %tmp4 = load i32, i32 addrspace(1)* %tmp3
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; CHECK: ret i32 %tmp4
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define i32 @load_int_from_global_float(float addrspace(1)* %input, i32 %i, i32 %j) #0 {
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bb:
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%tmp = addrspacecast float addrspace(1)* %input to float*
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%tmp1 = getelementptr float, float* %tmp, i32 %i
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%tmp2 = getelementptr float, float* %tmp1, i32 %j
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%tmp3 = bitcast float* %tmp2 to i32*
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%tmp4 = load i32, i32* %tmp3
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ret i32 %tmp4
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}
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; CHECK-LABEL: @nested_const_expr(
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; CHECK: store i32 1, i32 addrspace(3)* bitcast (float addrspace(3)* getelementptr inbounds ([10 x float], [10 x float] addrspace(3)* @array, i64 0, i64 1) to i32 addrspace(3)*), align 4
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define amdgpu_kernel void @nested_const_expr() #0 {
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store i32 1, i32* bitcast (float* getelementptr ([10 x float], [10 x float]* addrspacecast ([10 x float] addrspace(3)* @array to [10 x float]*), i64 0, i64 1) to i32*), align 4
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ret void
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}
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; CHECK-LABEL: @rauw(
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; CHECK: %addr = getelementptr float, float addrspace(1)* %input, i64 10
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; CHECK-NEXT: %v = load float, float addrspace(1)* %addr
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; CHECK-NEXT: store float %v, float addrspace(1)* %addr
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; CHECK-NEXT: ret void
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define amdgpu_kernel void @rauw(float addrspace(1)* %input) #0 {
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bb:
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%generic_input = addrspacecast float addrspace(1)* %input to float*
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%addr = getelementptr float, float* %generic_input, i64 10
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%v = load float, float* %addr
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store float %v, float* %addr
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ret void
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}
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; FIXME: Should be able to eliminate the cast inside the loop
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; CHECK-LABEL: @loop(
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; CHECK: %p = bitcast [10 x float] addrspace(3)* @array to float addrspace(3)*
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; CHECK: %end = getelementptr float, float addrspace(3)* %p, i64 10
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; CHECK: br label %loop
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; CHECK: loop: ; preds = %loop, %entry
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; CHECK: %i = phi float addrspace(3)* [ %p, %entry ], [ %i2, %loop ]
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; CHECK: %v = load float, float addrspace(3)* %i
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; CHECK: call void @use(float %v)
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; CHECK: %i2 = getelementptr float, float addrspace(3)* %i, i64 1
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; CHECK: %exit_cond = icmp eq float addrspace(3)* %i2, %end
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; CHECK: br i1 %exit_cond, label %exit, label %loop
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define amdgpu_kernel void @loop() #0 {
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entry:
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%p = addrspacecast [10 x float] addrspace(3)* @array to float*
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%end = getelementptr float, float* %p, i64 10
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br label %loop
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loop: ; preds = %loop, %entry
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%i = phi float* [ %p, %entry ], [ %i2, %loop ]
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%v = load float, float* %i
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call void @use(float %v)
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%i2 = getelementptr float, float* %i, i64 1
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%exit_cond = icmp eq float* %i2, %end
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br i1 %exit_cond, label %exit, label %loop
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exit: ; preds = %loop
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ret void
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}
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@generic_end = external addrspace(1) global float*
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; CHECK-LABEL: @loop_with_generic_bound(
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; CHECK: %p = bitcast [10 x float] addrspace(3)* @array to float addrspace(3)*
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; CHECK: %end = load float*, float* addrspace(1)* @generic_end
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; CHECK: br label %loop
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; CHECK: loop:
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; CHECK: %i = phi float addrspace(3)* [ %p, %entry ], [ %i2, %loop ]
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; CHECK: %v = load float, float addrspace(3)* %i
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; CHECK: call void @use(float %v)
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; CHECK: %i2 = getelementptr float, float addrspace(3)* %i, i64 1
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; CHECK: %0 = addrspacecast float addrspace(3)* %i2 to float*
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; CHECK: %exit_cond = icmp eq float* %0, %end
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; CHECK: br i1 %exit_cond, label %exit, label %loop
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define amdgpu_kernel void @loop_with_generic_bound() #0 {
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entry:
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%p = addrspacecast [10 x float] addrspace(3)* @array to float*
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%end = load float*, float* addrspace(1)* @generic_end
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br label %loop
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loop: ; preds = %loop, %entry
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%i = phi float* [ %p, %entry ], [ %i2, %loop ]
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%v = load float, float* %i
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call void @use(float %v)
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%i2 = getelementptr float, float* %i, i64 1
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%exit_cond = icmp eq float* %i2, %end
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br i1 %exit_cond, label %exit, label %loop
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exit: ; preds = %loop
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ret void
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}
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; CHECK-LABEL: @select_bug(
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; CHECK: %add.ptr157 = getelementptr inbounds i64, i64* undef, i64 select (i1 icmp ne (i32* inttoptr (i64 4873 to i32*), i32* null), i64 73, i64 93)
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; CHECK: %cmp169 = icmp uge i64* undef, %add.ptr157
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define void @select_bug() #0 {
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%add.ptr157 = getelementptr inbounds i64, i64* undef, i64 select (i1 icmp ne (i32* inttoptr (i64 4873 to i32*), i32* null), i64 73, i64 93)
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%cmp169 = icmp uge i64* undef, %add.ptr157
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unreachable
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}
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declare void @llvm.amdgcn.s.barrier() #1
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declare void @use(float) #0
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attributes #0 = { nounwind }
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attributes #1 = { convergent nounwind }
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