mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-28 04:29:44 +00:00
7dd37ae57a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199823 91177308-0d34-0410-b5e6-96231b3b80d8
159 lines
5.1 KiB
LLVM
159 lines
5.1 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK --check-prefix=FUNC
|
|
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK --check-prefix=FUNC
|
|
|
|
; This test checks that uses and defs of the AR register happen in the same
|
|
; instruction clause.
|
|
|
|
; FUNC-LABEL: @mova_same_clause
|
|
|
|
; R600-CHECK: MOVA_INT
|
|
; R600-CHECK-NOT: ALU clause
|
|
; R600-CHECK: 0 + AR.x
|
|
; R600-CHECK: MOVA_INT
|
|
; R600-CHECK-NOT: ALU clause
|
|
; R600-CHECK: 0 + AR.x
|
|
|
|
; SI-CHECK: V_READFIRSTLANE
|
|
; SI-CHECK: V_MOVRELD
|
|
; SI-CHECK: S_CBRANCH
|
|
; SI-CHECK: V_READFIRSTLANE
|
|
; SI-CHECK: V_MOVRELD
|
|
; SI-CHECK: S_CBRANCH
|
|
define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
|
|
entry:
|
|
%stack = alloca [5 x i32], align 4
|
|
%0 = load i32 addrspace(1)* %in, align 4
|
|
%arrayidx1 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %0
|
|
store i32 4, i32* %arrayidx1, align 4
|
|
%arrayidx2 = getelementptr inbounds i32 addrspace(1)* %in, i32 1
|
|
%1 = load i32 addrspace(1)* %arrayidx2, align 4
|
|
%arrayidx3 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %1
|
|
store i32 5, i32* %arrayidx3, align 4
|
|
%arrayidx10 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 0
|
|
%2 = load i32* %arrayidx10, align 4
|
|
store i32 %2, i32 addrspace(1)* %out, align 4
|
|
%arrayidx12 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 1
|
|
%3 = load i32* %arrayidx12
|
|
%arrayidx13 = getelementptr inbounds i32 addrspace(1)* %out, i32 1
|
|
store i32 %3, i32 addrspace(1)* %arrayidx13
|
|
ret void
|
|
}
|
|
|
|
; This test checks that the stack offset is calculated correctly for structs.
|
|
; All register loads/stores should be optimized away, so there shouldn't be
|
|
; any MOVA instructions.
|
|
;
|
|
; XXX: This generated code has unnecessary MOVs, we should be able to optimize
|
|
; this.
|
|
|
|
; FUNC-LABEL: @multiple_structs
|
|
; R600-CHECK-NOT: MOVA_INT
|
|
; SI-CHECK-NOT: V_MOVREL
|
|
%struct.point = type { i32, i32 }
|
|
|
|
define void @multiple_structs(i32 addrspace(1)* %out) {
|
|
entry:
|
|
%a = alloca %struct.point
|
|
%b = alloca %struct.point
|
|
%a.x.ptr = getelementptr %struct.point* %a, i32 0, i32 0
|
|
%a.y.ptr = getelementptr %struct.point* %a, i32 0, i32 1
|
|
%b.x.ptr = getelementptr %struct.point* %b, i32 0, i32 0
|
|
%b.y.ptr = getelementptr %struct.point* %b, i32 0, i32 1
|
|
store i32 0, i32* %a.x.ptr
|
|
store i32 1, i32* %a.y.ptr
|
|
store i32 2, i32* %b.x.ptr
|
|
store i32 3, i32* %b.y.ptr
|
|
%a.indirect.ptr = getelementptr %struct.point* %a, i32 0, i32 0
|
|
%b.indirect.ptr = getelementptr %struct.point* %b, i32 0, i32 0
|
|
%a.indirect = load i32* %a.indirect.ptr
|
|
%b.indirect = load i32* %b.indirect.ptr
|
|
%0 = add i32 %a.indirect, %b.indirect
|
|
store i32 %0, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; Test direct access of a private array inside a loop. The private array
|
|
; loads and stores should be lowered to copies, so there shouldn't be any
|
|
; MOVA instructions.
|
|
|
|
; FUNC-LABEL: @direct_loop
|
|
; R600-CHECK-NOT: MOVA_INT
|
|
; SI-CHECK-NOT: V_MOVREL
|
|
|
|
define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
|
|
entry:
|
|
%prv_array_const = alloca [2 x i32]
|
|
%prv_array = alloca [2 x i32]
|
|
%a = load i32 addrspace(1)* %in
|
|
%b_src_ptr = getelementptr i32 addrspace(1)* %in, i32 1
|
|
%b = load i32 addrspace(1)* %b_src_ptr
|
|
%a_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0
|
|
store i32 %a, i32* %a_dst_ptr
|
|
%b_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 1
|
|
store i32 %b, i32* %b_dst_ptr
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%inc = phi i32 [0, %entry], [%count, %for.body]
|
|
%x_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0
|
|
%x = load i32* %x_ptr
|
|
%y_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0
|
|
%y = load i32* %y_ptr
|
|
%xy = add i32 %x, %y
|
|
store i32 %xy, i32* %y_ptr
|
|
%count = add i32 %inc, 1
|
|
%done = icmp eq i32 %count, 4095
|
|
br i1 %done, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
%value_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0
|
|
%value = load i32* %value_ptr
|
|
store i32 %value, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: @short_array
|
|
|
|
; R600-CHECK: MOV {{\** *}}T{{[0-9]\.[XYZW]}}, literal
|
|
; R600-CHECK: 65536
|
|
; R600-CHECK: MOVA_INT
|
|
|
|
; SI-CHECK: V_MOV_B32_e32 v{{[0-9]}}, 65536
|
|
; SI-CHECK: V_MOVRELS_B32_e32
|
|
define void @short_array(i32 addrspace(1)* %out, i32 %index) {
|
|
entry:
|
|
%0 = alloca [2 x i16]
|
|
%1 = getelementptr [2 x i16]* %0, i32 0, i32 0
|
|
%2 = getelementptr [2 x i16]* %0, i32 0, i32 1
|
|
store i16 0, i16* %1
|
|
store i16 1, i16* %2
|
|
%3 = getelementptr [2 x i16]* %0, i32 0, i32 %index
|
|
%4 = load i16* %3
|
|
%5 = sext i16 %4 to i32
|
|
store i32 %5, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: @char_array
|
|
|
|
; R600-CHECK: OR_INT {{\** *}}T{{[0-9]\.[XYZW]}}, {{[PVT0-9]+\.[XYZW]}}, literal
|
|
; R600-CHECK: 256
|
|
; R600-CHECK: MOVA_INT
|
|
|
|
; SI-CHECK: V_OR_B32_e32 v{{[0-9]}}, 256
|
|
; SI-CHECK: V_MOVRELS_B32_e32
|
|
define void @char_array(i32 addrspace(1)* %out, i32 %index) {
|
|
entry:
|
|
%0 = alloca [2 x i8]
|
|
%1 = getelementptr [2 x i8]* %0, i32 0, i32 0
|
|
%2 = getelementptr [2 x i8]* %0, i32 0, i32 1
|
|
store i8 0, i8* %1
|
|
store i8 1, i8* %2
|
|
%3 = getelementptr [2 x i8]* %0, i32 0, i32 %index
|
|
%4 = load i8* %3
|
|
%5 = sext i8 %4 to i32
|
|
store i32 %5, i32 addrspace(1)* %out
|
|
ret void
|
|
|
|
}
|