Home | History | Annotate | Download | only in AMDGPU
      1 ; RUN: opt -mtriple=amdgcn-- -S -separate-const-offset-from-gep -reassociate-geps-verify-no-dead-code -gvn < %s | FileCheck -check-prefix=IR %s
      2 
      3 target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
      4 
      5 @array = internal addrspace(2) constant [4096 x [32 x float]] zeroinitializer, align 4
      6 
      7 ; IR-LABEL: @sum_of_array(
      8 ; IR: [[BASE_PTR:%[a-zA-Z0-9]+]] = getelementptr inbounds [4096 x [32 x float]], [4096 x [32 x float]] addrspace(2)* @array, i64 0, i64 %{{[a-zA-Z0-9]+}}, i64 %{{[a-zA-Z0-9]+}}
      9 ; IR: getelementptr inbounds float, float addrspace(2)* [[BASE_PTR]], i64 1
     10 ; IR: getelementptr inbounds float, float addrspace(2)* [[BASE_PTR]], i64 32
     11 ; IR: getelementptr inbounds float, float addrspace(2)* [[BASE_PTR]], i64 33
     12 define void @sum_of_array(i32 %x, i32 %y, float addrspace(1)* nocapture %output) {
     13   %tmp = sext i32 %y to i64
     14   %tmp1 = sext i32 %x to i64
     15   %tmp2 = getelementptr inbounds [4096 x [32 x float]], [4096 x [32 x float]] addrspace(2)* @array, i64 0, i64 %tmp1, i64 %tmp
     16   %tmp4 = load float, float addrspace(2)* %tmp2, align 4
     17   %tmp5 = fadd float %tmp4, 0.000000e+00
     18   %tmp6 = add i32 %y, 1
     19   %tmp7 = sext i32 %tmp6 to i64
     20   %tmp8 = getelementptr inbounds [4096 x [32 x float]], [4096 x [32 x float]] addrspace(2)* @array, i64 0, i64 %tmp1, i64 %tmp7
     21   %tmp10 = load float, float addrspace(2)* %tmp8, align 4
     22   %tmp11 = fadd float %tmp5, %tmp10
     23   %tmp12 = add i32 %x, 1
     24   %tmp13 = sext i32 %tmp12 to i64
     25   %tmp14 = getelementptr inbounds [4096 x [32 x float]], [4096 x [32 x float]] addrspace(2)* @array, i64 0, i64 %tmp13, i64 %tmp
     26   %tmp16 = load float, float addrspace(2)* %tmp14, align 4
     27   %tmp17 = fadd float %tmp11, %tmp16
     28   %tmp18 = getelementptr inbounds [4096 x [32 x float]], [4096 x [32 x float]] addrspace(2)* @array, i64 0, i64 %tmp13, i64 %tmp7
     29   %tmp20 = load float, float addrspace(2)* %tmp18, align 4
     30   %tmp21 = fadd float %tmp17, %tmp20
     31   store float %tmp21, float addrspace(1)* %output, align 4
     32   ret void
     33 }
     34 
     35 @array2 = internal addrspace(2) constant [4096 x [4 x float]] zeroinitializer, align 4
     36 
     37 ; Some of the indices go over the maximum mubuf offset, so don't split them.
     38 
     39 ; IR-LABEL: @sum_of_array_over_max_mubuf_offset(
     40 ; IR: [[BASE_PTR:%[a-zA-Z0-9]+]] = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %{{[a-zA-Z0-9]+}}, i64 %{{[a-zA-Z0-9]+}}
     41 ; IR: getelementptr inbounds float, float addrspace(2)* [[BASE_PTR]], i64 255
     42 ; IR: add i32 %x, 256
     43 ; IR: getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %{{[a-zA-Z0-9]+}}, i64 %{{[a-zA-Z0-9]+}}
     44 ; IR: getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %{{[a-zA-Z0-9]+}}, i64 %{{[a-zA-Z0-9]+}}
     45 define void @sum_of_array_over_max_mubuf_offset(i32 %x, i32 %y, float addrspace(1)* nocapture %output) {
     46   %tmp = sext i32 %y to i64
     47   %tmp1 = sext i32 %x to i64
     48   %tmp2 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %tmp1, i64 %tmp
     49   %tmp4 = load float, float addrspace(2)* %tmp2, align 4
     50   %tmp5 = fadd float %tmp4, 0.000000e+00
     51   %tmp6 = add i32 %y, 255
     52   %tmp7 = sext i32 %tmp6 to i64
     53   %tmp8 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %tmp1, i64 %tmp7
     54   %tmp10 = load float, float addrspace(2)* %tmp8, align 4
     55   %tmp11 = fadd float %tmp5, %tmp10
     56   %tmp12 = add i32 %x, 256
     57   %tmp13 = sext i32 %tmp12 to i64
     58   %tmp14 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %tmp13, i64 %tmp
     59   %tmp16 = load float, float addrspace(2)* %tmp14, align 4
     60   %tmp17 = fadd float %tmp11, %tmp16
     61   %tmp18 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(2)* @array2, i64 0, i64 %tmp13, i64 %tmp7
     62   %tmp20 = load float, float addrspace(2)* %tmp18, align 4
     63   %tmp21 = fadd float %tmp17, %tmp20
     64   store float %tmp21, float addrspace(1)* %output, align 4
     65   ret void
     66 }
     67 
     68 
     69 @lds_array = internal addrspace(3) global [4096 x [4 x float]] undef, align 4
     70 
     71 ; DS instructions have a larger immediate offset, so make sure these are OK.
     72 ; IR-LABEL: @sum_of_lds_array_over_max_mubuf_offset(
     73 ; IR: [[BASE_PTR:%[a-zA-Z0-9]+]] = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(3)* @lds_array, i32 0, i32 %{{[a-zA-Z0-9]+}}, i32 %{{[a-zA-Z0-9]+}}
     74 ; IR: getelementptr inbounds float, float addrspace(3)* [[BASE_PTR]], i32 255
     75 ; IR: getelementptr inbounds float, float addrspace(3)* [[BASE_PTR]], i32 16128
     76 ; IR: getelementptr inbounds float, float addrspace(3)* [[BASE_PTR]], i32 16383
     77 define void @sum_of_lds_array_over_max_mubuf_offset(i32 %x, i32 %y, float addrspace(1)* nocapture %output) {
     78   %tmp2 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(3)* @lds_array, i32 0, i32 %x, i32 %y
     79   %tmp4 = load float, float addrspace(3)* %tmp2, align 4
     80   %tmp5 = fadd float %tmp4, 0.000000e+00
     81   %tmp6 = add i32 %y, 255
     82   %tmp8 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(3)* @lds_array, i32 0, i32 %x, i32 %tmp6
     83   %tmp10 = load float, float addrspace(3)* %tmp8, align 4
     84   %tmp11 = fadd float %tmp5, %tmp10
     85   %tmp12 = add i32 %x, 4032
     86   %tmp14 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(3)* @lds_array, i32 0, i32 %tmp12, i32 %y
     87   %tmp16 = load float, float addrspace(3)* %tmp14, align 4
     88   %tmp17 = fadd float %tmp11, %tmp16
     89   %tmp18 = getelementptr inbounds [4096 x [4 x float]], [4096 x [4 x float]] addrspace(3)* @lds_array, i32 0, i32 %tmp12, i32 %tmp6
     90   %tmp20 = load float, float addrspace(3)* %tmp18, align 4
     91   %tmp21 = fadd float %tmp17, %tmp20
     92   store float %tmp21, float addrspace(1)* %output, align 4
     93   ret void
     94 }
     95