89 lines
5.6 KiB
LLVM
89 lines
5.6 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds < %s | FileCheck %s
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; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s
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; CHECK: %llvm.amdgcn.module.lds.t = type { float, float }
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@a_func = addrspace(3) global float undef, align 4
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; CHECK: %llvm.amdgcn.kernel.timestwo.lds.t = type { float }
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@kern = addrspace(3) global float undef, align 4
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; @a_func is only used from a non-kernel function so is rewritten
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; CHECK-NOT: @a_func
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; @b_both is used from a non-kernel function so is rewritten
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; CHECK-NOT: @b_both
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; sorted both < func, so @b_both at null and @a_func at 4
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@b_both = addrspace(3) global float undef, align 4
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; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t undef, align 4
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; CHECK: @llvm.amdgcn.kernel.timestwo.lds = internal addrspace(3) global %llvm.amdgcn.kernel.timestwo.lds.t undef, align 4
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; CHECK-LABEL: @get_func()
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; CHECK: %0 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 0) to i32 addrspace(3)*
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; CHECK: %1 = addrspacecast i32 addrspace(3)* %0 to i32*
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; CHECK: %2 = ptrtoint i32* %1 to i64
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; CHECK: %3 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 0) to i32 addrspace(3)*
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; CHECK: %4 = addrspacecast i32 addrspace(3)* %3 to i32*
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; CHECK: %5 = ptrtoint i32* %4 to i64
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; CHECK: %6 = add i64 %2, %5
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; CHECK: %7 = inttoptr i64 %6 to i32*
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; CHECK: %8 = load i32, i32* %7, align 4
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; CHECK: ret i32 %8
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define i32 @get_func() local_unnamed_addr #0 {
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entry:
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%0 = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @a_func to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @a_func to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
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ret i32 %0
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}
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; CHECK-LABEL: @set_func(i32 %x)
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; CHECK: %0 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 1) to i32 addrspace(3)*
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; CHECK: %1 = addrspacecast i32 addrspace(3)* %0 to i32*
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; CHECK: %2 = ptrtoint i32* %1 to i64
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; CHECK: %3 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 1) to i32 addrspace(3)*
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; CHECK: %4 = addrspacecast i32 addrspace(3)* %3 to i32*
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; CHECK: %5 = ptrtoint i32* %4 to i64
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; CHECK: %6 = add i64 %2, %5
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; CHECK: %7 = inttoptr i64 %6 to i32*
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; CHECK: store i32 %x, i32* %7, align 4
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; CHECK: ret void
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define void @set_func(i32 %x) local_unnamed_addr #1 {
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entry:
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store i32 %x, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @b_both to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @b_both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
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ret void
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}
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; CHECK-LABEL: @timestwo() #0
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; CHECK-NOT: call void @llvm.donothing()
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; CHECK: %1 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 1) to i32 addrspace(3)*
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; CHECK: %2 = addrspacecast i32 addrspace(3)* %1 to i32*
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; CHECK: %3 = ptrtoint i32* %2 to i64
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; CHECK: %4 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.kernel.timestwo.lds.t, %llvm.amdgcn.kernel.timestwo.lds.t addrspace(3)* @llvm.amdgcn.kernel.timestwo.lds, i32 0, i32 0) to i32 addrspace(3)*
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; CHECK: %5 = addrspacecast i32 addrspace(3)* %4 to i32*
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; CHECK: %6 = ptrtoint i32* %5 to i64
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; CHECK: %7 = add i64 %3, %6
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; CHECK: %8 = inttoptr i64 %7 to i32*
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; CHECK: %ld = load i32, i32* %8, align 4
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; CHECK: %mul = mul i32 %ld, 2
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; CHECK: %9 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.kernel.timestwo.lds.t, %llvm.amdgcn.kernel.timestwo.lds.t addrspace(3)* @llvm.amdgcn.kernel.timestwo.lds, i32 0, i32 0) to i32 addrspace(3)*
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; CHECK: %10 = addrspacecast i32 addrspace(3)* %9 to i32*
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; CHECK: %11 = ptrtoint i32* %10 to i64
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; CHECK: %12 = bitcast float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 1) to i32 addrspace(3)*
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; CHECK: %13 = addrspacecast i32 addrspace(3)* %12 to i32*
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; CHECK: %14 = ptrtoint i32* %13 to i64
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; CHECK: %15 = add i64 %11, %14
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; CHECK: %16 = inttoptr i64 %15 to i32*
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; CHECK: store i32 %mul, i32* %16, align 4
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; CHECK: ret void
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define amdgpu_kernel void @timestwo() {
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%ld = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @b_both to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
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%mul = mul i32 %ld, 2
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store i32 %mul, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @b_both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
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ret void
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}
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attributes #0 = { "amdgpu-elide-module-lds" }
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; CHECK: attributes #0 = { "amdgpu-elide-module-lds" }
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