R600/SI: Add intrinsics for texture sampling with user derivatives

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186008 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michel Danzer 2013-07-10 16:36:36 +00:00
parent 10b2997913
commit 0a9aaacd72
3 changed files with 147 additions and 1 deletions

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@ -535,7 +535,7 @@ def IMAGE_SAMPLE_B : MIMG_Sampler_Helper <0x00000025, "IMAGE_SAMPLE_B">;
//def IMAGE_SAMPLE_LZ : MIMG_NoPattern_ <"IMAGE_SAMPLE_LZ", 0x00000027>;
def IMAGE_SAMPLE_C : MIMG_Sampler_Helper <0x00000028, "IMAGE_SAMPLE_C">;
//def IMAGE_SAMPLE_C_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_CL", 0x00000029>;
//def IMAGE_SAMPLE_C_D : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_D", 0x0000002a>;
def IMAGE_SAMPLE_C_D : MIMG_Sampler_Helper <0x0000002a, "IMAGE_SAMPLE_C_D">;
//def IMAGE_SAMPLE_C_D_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_C_D_CL", 0x0000002b>;
def IMAGE_SAMPLE_C_L : MIMG_Sampler_Helper <0x0000002c, "IMAGE_SAMPLE_C_L">;
def IMAGE_SAMPLE_C_B : MIMG_Sampler_Helper <0x0000002d, "IMAGE_SAMPLE_C_B">;
@ -1296,6 +1296,11 @@ multiclass SamplePatterns<ValueType addr_type> {
def : SampleArrayPattern <int_SI_sampleb, IMAGE_SAMPLE_B, addr_type>;
def : SampleShadowPattern <int_SI_sampleb, IMAGE_SAMPLE_C_B, addr_type>;
def : SampleShadowArrayPattern <int_SI_sampleb, IMAGE_SAMPLE_C_B, addr_type>;
def : SamplePattern <int_SI_sampled, IMAGE_SAMPLE_D, addr_type>;
def : SampleArrayPattern <int_SI_sampled, IMAGE_SAMPLE_D, addr_type>;
def : SampleShadowPattern <int_SI_sampled, IMAGE_SAMPLE_C_D, addr_type>;
def : SampleShadowArrayPattern <int_SI_sampled, IMAGE_SAMPLE_C_D, addr_type>;
}
defm : SamplePatterns<v2i32>;

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@ -23,6 +23,7 @@ let TargetPrefix = "SI", isTarget = 1 in {
def int_SI_sample : Sample;
def int_SI_sampleb : Sample;
def int_SI_sampled : Sample;
def int_SI_samplel : Sample;
def int_SI_imageload : Intrinsic <[llvm_v4i32_ty], [llvm_anyvector_ty, llvm_v32i8_ty, llvm_i32_ty], [IntrNoMem]>;

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@ -0,0 +1,140 @@
;RUN: llc < %s -march=r600 -mcpu=verde | FileCheck %s
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+}}, 15
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+_VGPR[0-9]+}}, 3
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+}}, 2
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+}}, 1
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+}}, 4
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+}}, 8
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+}}, 5
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+}}, 9
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+}}, 6
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+_VGPR[0-9]+}}, 10
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+_VGPR[0-9]+}}, 12
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+}}, 7
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+}}, 11
;CHECK: IMAGE_SAMPLE_C_D {{VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+}}, 13
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+_VGPR[0-9]+_VGPR[0-9]+}}, 14
;CHECK: IMAGE_SAMPLE_D {{VGPR[0-9]+}}, 8
define void @test(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
%v1 = insertelement <4 x i32> undef, i32 %a1, i32 0
%v2 = insertelement <4 x i32> undef, i32 %a1, i32 1
%v3 = insertelement <4 x i32> undef, i32 %a1, i32 2
%v4 = insertelement <4 x i32> undef, i32 %a1, i32 3
%v5 = insertelement <4 x i32> undef, i32 %a2, i32 0
%v6 = insertelement <4 x i32> undef, i32 %a2, i32 1
%v7 = insertelement <4 x i32> undef, i32 %a2, i32 2
%v8 = insertelement <4 x i32> undef, i32 %a2, i32 3
%v9 = insertelement <4 x i32> undef, i32 %a3, i32 0
%v10 = insertelement <4 x i32> undef, i32 %a3, i32 1
%v11 = insertelement <4 x i32> undef, i32 %a3, i32 2
%v12 = insertelement <4 x i32> undef, i32 %a3, i32 3
%v13 = insertelement <4 x i32> undef, i32 %a4, i32 0
%v14 = insertelement <4 x i32> undef, i32 %a4, i32 1
%v15 = insertelement <4 x i32> undef, i32 %a4, i32 2
%v16 = insertelement <4 x i32> undef, i32 %a4, i32 3
%res1 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v1,
<8 x i32> undef, <4 x i32> undef, i32 1)
%res2 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v2,
<8 x i32> undef, <4 x i32> undef, i32 2)
%res3 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v3,
<8 x i32> undef, <4 x i32> undef, i32 3)
%res4 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v4,
<8 x i32> undef, <4 x i32> undef, i32 4)
%res5 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v5,
<8 x i32> undef, <4 x i32> undef, i32 5)
%res6 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v6,
<8 x i32> undef, <4 x i32> undef, i32 6)
%res7 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v7,
<8 x i32> undef, <4 x i32> undef, i32 7)
%res8 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v8,
<8 x i32> undef, <4 x i32> undef, i32 8)
%res9 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v9,
<8 x i32> undef, <4 x i32> undef, i32 9)
%res10 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v10,
<8 x i32> undef, <4 x i32> undef, i32 10)
%res11 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v11,
<8 x i32> undef, <4 x i32> undef, i32 11)
%res12 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v12,
<8 x i32> undef, <4 x i32> undef, i32 12)
%res13 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v13,
<8 x i32> undef, <4 x i32> undef, i32 13)
%res14 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v14,
<8 x i32> undef, <4 x i32> undef, i32 14)
%res15 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v15,
<8 x i32> undef, <4 x i32> undef, i32 15)
%res16 = call <4 x float> @llvm.SI.sampled.(<4 x i32> %v16,
<8 x i32> undef, <4 x i32> undef, i32 16)
%e1 = extractelement <4 x float> %res1, i32 0
%e2 = extractelement <4 x float> %res2, i32 1
%e3 = extractelement <4 x float> %res3, i32 2
%e4 = extractelement <4 x float> %res4, i32 3
%t0 = extractelement <4 x float> %res5, i32 0
%t1 = extractelement <4 x float> %res5, i32 1
%e5 = fadd float %t0, %t1
%t2 = extractelement <4 x float> %res6, i32 0
%t3 = extractelement <4 x float> %res6, i32 2
%e6 = fadd float %t2, %t3
%t4 = extractelement <4 x float> %res7, i32 0
%t5 = extractelement <4 x float> %res7, i32 3
%e7 = fadd float %t4, %t5
%t6 = extractelement <4 x float> %res8, i32 1
%t7 = extractelement <4 x float> %res8, i32 2
%e8 = fadd float %t6, %t7
%t8 = extractelement <4 x float> %res9, i32 1
%t9 = extractelement <4 x float> %res9, i32 3
%e9 = fadd float %t8, %t9
%t10 = extractelement <4 x float> %res10, i32 2
%t11 = extractelement <4 x float> %res10, i32 3
%e10 = fadd float %t10, %t11
%t12 = extractelement <4 x float> %res11, i32 0
%t13 = extractelement <4 x float> %res11, i32 1
%t14 = extractelement <4 x float> %res11, i32 2
%t15 = fadd float %t12, %t13
%e11 = fadd float %t14, %t15
%t16 = extractelement <4 x float> %res12, i32 0
%t17 = extractelement <4 x float> %res12, i32 1
%t18 = extractelement <4 x float> %res12, i32 3
%t19 = fadd float %t16, %t17
%e12 = fadd float %t18, %t19
%t20 = extractelement <4 x float> %res13, i32 0
%t21 = extractelement <4 x float> %res13, i32 2
%t22 = extractelement <4 x float> %res13, i32 3
%t23 = fadd float %t20, %t21
%e13 = fadd float %t22, %t23
%t24 = extractelement <4 x float> %res14, i32 1
%t25 = extractelement <4 x float> %res14, i32 2
%t26 = extractelement <4 x float> %res14, i32 3
%t27 = fadd float %t24, %t25
%e14 = fadd float %t26, %t27
%t28 = extractelement <4 x float> %res15, i32 0
%t29 = extractelement <4 x float> %res15, i32 1
%t30 = extractelement <4 x float> %res15, i32 2
%t31 = extractelement <4 x float> %res15, i32 3
%t32 = fadd float %t28, %t29
%t33 = fadd float %t30, %t31
%e15 = fadd float %t32, %t33
%e16 = extractelement <4 x float> %res16, i32 3
%s1 = fadd float %e1, %e2
%s2 = fadd float %s1, %e3
%s3 = fadd float %s2, %e4
%s4 = fadd float %s3, %e5
%s5 = fadd float %s4, %e6
%s6 = fadd float %s5, %e7
%s7 = fadd float %s6, %e8
%s8 = fadd float %s7, %e9
%s9 = fadd float %s8, %e10
%s10 = fadd float %s9, %e11
%s11 = fadd float %s10, %e12
%s12 = fadd float %s11, %e13
%s13 = fadd float %s12, %e14
%s14 = fadd float %s13, %e15
%s15 = fadd float %s14, %e16
call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %s15, float %s15, float %s15, float %s15)
ret void
}
declare <4 x float> @llvm.SI.sampled.(<4 x i32>, <8 x i32>, <4 x i32>, i32) readnone
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)