llvm-6502/test/CodeGen/R600/load64.ll

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; RUN: llc < %s -march=r600 -mcpu=tahiti -verify-machineinstrs | FileCheck %s
; load a f64 value from the global address space.
; CHECK-LABEL: @load_f64:
; CHECK: BUFFER_LOAD_DWORDX2 v[{{[0-9]+:[0-9]+}}]
; CHECK: BUFFER_STORE_DWORDX2 v[{{[0-9]+:[0-9]+}}]
define void @load_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
%1 = load double addrspace(1)* %in
store double %1, double addrspace(1)* %out
ret void
}
; CHECK-LABEL: @load_i64:
; CHECK: BUFFER_LOAD_DWORDX2 v[{{[0-9]+:[0-9]+}}]
; CHECK: BUFFER_STORE_DWORDX2 v[{{[0-9]+:[0-9]+}}]
define void @load_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) {
%tmp = load i64 addrspace(1)* %in
store i64 %tmp, i64 addrspace(1)* %out, align 8
ret void
}
; Load a f64 value from the constant address space.
; CHECK-LABEL: @load_const_addrspace_f64:
; CHECK: S_LOAD_DWORDX2 s[{{[0-9]+:[0-9]+}}]
; CHECK: BUFFER_STORE_DWORDX2 v[{{[0-9]+:[0-9]+}}]
define void @load_const_addrspace_f64(double addrspace(1)* %out, double addrspace(2)* %in) {
%1 = load double addrspace(2)* %in
store double %1, double addrspace(1)* %out
ret void
}