mirror of
https://github.com/c64scene-ar/llvm-6502.git
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226bd876c6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200935 91177308-0d34-0410-b5e6-96231b3b80d8
99 lines
3.7 KiB
LLVM
99 lines
3.7 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=SI -show-mc-encoding -verify-machineinstrs | FileCheck %s
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;;;==========================================================================;;;
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;;; MUBUF LOAD TESTS
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;;;==========================================================================;;;
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; MUBUF load with an immediate byte offset that fits into 12-bits
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; CHECK-LABEL: @mubuf_load0
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; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
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define void @mubuf_load0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %in, i64 1
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%1 = load i32 addrspace(1)* %0
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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; MUBUF load with the largest possible immediate offset
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; CHECK-LABEL: @mubuf_load1
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; CHECK: BUFFER_LOAD_UBYTE v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4095 ; encoding: [0xff,0x8f
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define void @mubuf_load1(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i8 addrspace(1)* %in, i64 4095
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%1 = load i8 addrspace(1)* %0
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store i8 %1, i8 addrspace(1)* %out
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ret void
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}
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; MUBUF load with an immediate byte offset that doesn't fit into 12-bits
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; CHECK-LABEL: @mubuf_load2
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; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 0 ; encoding: [0x00,0x80
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define void @mubuf_load2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %in, i64 1024
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%1 = load i32 addrspace(1)* %0
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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; MUBUF load with a 12-bit immediate offset and a register offset
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; CHECK-LABEL: @mubuf_load3
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; CHECK-NOT: ADD
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; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
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define void @mubuf_load3(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i64 %offset) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %in, i64 %offset
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%1 = getelementptr i32 addrspace(1)* %0, i64 1
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%2 = load i32 addrspace(1)* %1
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store i32 %2, i32 addrspace(1)* %out
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ret void
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}
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;;;==========================================================================;;;
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;;; MUBUF STORE TESTS
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;;;==========================================================================;;;
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; MUBUF store with an immediate byte offset that fits into 12-bits
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; CHECK-LABEL: @mubuf_store0
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; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
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define void @mubuf_store0(i32 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %out, i64 1
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store i32 0, i32 addrspace(1)* %0
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ret void
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}
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; MUBUF store with the largest possible immediate offset
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; CHECK-LABEL: @mubuf_store1
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; CHECK: BUFFER_STORE_BYTE v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4095 ; encoding: [0xff,0x8f
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define void @mubuf_store1(i8 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i8 addrspace(1)* %out, i64 4095
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store i8 0, i8 addrspace(1)* %0
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ret void
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}
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; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
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; CHECK-LABEL: @mubuf_store2
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; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 0 ; encoding: [0x00,0x80
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define void @mubuf_store2(i32 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %out, i64 1024
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store i32 0, i32 addrspace(1)* %0
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ret void
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}
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; MUBUF store with a 12-bit immediate offset and a register offset
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; CHECK-LABEL: @mubuf_store3
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; CHECK-NOT: ADD
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; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
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define void @mubuf_store3(i32 addrspace(1)* %out, i64 %offset) {
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entry:
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%0 = getelementptr i32 addrspace(1)* %out, i64 %offset
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%1 = getelementptr i32 addrspace(1)* %0, i64 1
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store i32 0, i32 addrspace(1)* %1
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ret void
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}
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