forked from OSchip/llvm-project
48 lines
3.7 KiB
LLVM
48 lines
3.7 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds < %s | FileCheck %s
|
|
; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s
|
|
|
|
; CHECK: %llvm.amdgcn.module.lds.t = type { float, float }
|
|
|
|
@func = addrspace(3) global float undef, align 4
|
|
|
|
; @kern is only used from a kernel so it is left unchanged
|
|
; CHECK: @kern = addrspace(3) global float undef, align 4
|
|
@kern = addrspace(3) global float undef, align 4
|
|
|
|
; @func is only used from a non-kernel function so is rewritten
|
|
; CHECK-NOT: @func
|
|
; @both is used from a non-kernel function so is rewritten
|
|
; CHECK-NOT: @both
|
|
; sorted both < func, so @both at null and @func at 4
|
|
@both = addrspace(3) global float undef, align 4
|
|
|
|
; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t undef, align 4
|
|
|
|
; CHECK-LABEL: @get_func()
|
|
; CHECK: %0 = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* getelementptr (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* null, i32 0, i32 1) to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* getelementptr (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* null, i32 0, i32 1) to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
|
|
define i32 @get_func() local_unnamed_addr #0 {
|
|
entry:
|
|
%0 = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @func to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @func to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
|
|
ret i32 %0
|
|
}
|
|
|
|
; CHECK-LABEL: @set_func(i32 %x)
|
|
; CHECK: store i32 %x, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64)) to i32*), align 4
|
|
define void @set_func(i32 %x) local_unnamed_addr #1 {
|
|
entry:
|
|
store i32 %x, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: @timestwo()
|
|
; CHECK: call void @llvm.donothing() [ "ExplicitUse"(%llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds) ]
|
|
; CHECK: %ld = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null 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
|
|
; CHECK: %mul = mul i32 %ld, 2
|
|
; CHECK: 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)* null to i32*) to i64)) to i32*), align 4
|
|
define amdgpu_kernel void @timestwo() {
|
|
%ld = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @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
|
|
%mul = mul i32 %ld, 2
|
|
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)* @both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4
|
|
ret void
|
|
}
|