llvm-capstone/polly/test/GPGPU/host-control-flow.ll
Philipp Schaad 50139f0f38 [PPCG] Only add Kernel argument sizes for OpenCL, not CUDA runtime
Kernel argument sizes now only get appended to the kernel launch parameter list if the OpenCL runtime is selected, not if CUDA runtime is chosen.

Differential revision: D36925

llvm-svn: 311248
2017-08-19 17:04:57 +00:00

177 lines
9.1 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen-ppcg -disable-output \
; RUN: -polly-acc-dump-code < %s | FileCheck %s -check-prefix=CODE
; RUN: opt %loadPolly -polly-codegen-ppcg -disable-output \
; RUN: -polly-acc-dump-kernel-ir < %s | FileCheck %s -check-prefix=KERNEL-IR
; RUN: opt %loadPolly -polly-codegen-ppcg \
; RUN: -S < %s | FileCheck %s -check-prefix=IR
; void foo(float A[2][100]) {
; for (long t = 0; t < 100; t++)
; for (long i = 1; i < 99; i++)
; A[(t + 1) % 2][i] += A[t % 2][i - 1] + A[t % 2][i] + A[t % 2][i + 1];
; }
; REQUIRES: pollyacc
; CODE: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (2) * (100) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: for (int c0 = 0; c0 <= 99; c0 += 1)
; CODE-NEXT: {
; CODE-NEXT: dim3 k0_dimBlock(32);
; CODE-NEXT: dim3 k0_dimGrid(4);
; CODE-NEXT: kernel0 <<<k0_dimGrid, k0_dimBlock>>> (dev_MemRef_A, c0);
; CODE-NEXT: cudaCheckKernel();
; CODE-NEXT: }
; CODE: cudaCheckReturn(cudaMemcpy(MemRef_A, dev_MemRef_A, (2) * (100) * sizeof(float), cudaMemcpyDeviceToHost));
; CODE-NEXT: cudaCheckReturn(cudaFree(dev_MemRef_A));
; CODE-NEXT: }
; IR-LABEL: polly.loop_header: ; preds = %polly.loop_header, %polly.loop_preheader
; IR-NEXT: %polly.indvar = phi i64 [ 0, %polly.loop_preheader ], [ %polly.indvar_next, %polly.loop_header ]
; ...
; IR: store i64 %polly.indvar, i64* %polly_launch_0_param_1
; IR-NEXT: [[REGA:%.+]] = getelementptr [2 x i8*], [2 x i8*]* %polly_launch_0_params, i64 0, i64 1
; IR-NEXT: [[REGB:%.+]] = bitcast i64* %polly_launch_0_param_1 to i8*
; IR-NEXT: store i8* [[REGB]], i8** [[REGA]]
; IR: call i8* @polly_getKernel
; ...
; IR: call void @polly_freeKernel
; IR-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
; IR-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
; IR-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
; KERNEL-IR: define ptx_kernel void @FUNC_foo_SCOP_0_KERNEL_0(i8 addrspace(1)* %MemRef_A, i64 %c0)
; KERNEL-IR-LABEL: entry:
; KERNEL-IR-NEXT: %0 = call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
; KERNEL-IR-NEXT: %b0 = zext i32 %0 to i64
; KERNEL-IR-NEXT: %1 = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
; KERNEL-IR-NEXT: %t0 = zext i32 %1 to i64
; KERNEL-IR-NEXT: br label %polly.cond
; KERNEL-IR-LABEL: polly.cond: ; preds = %entry
; KERNEL-IR-NEXT: %2 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %3 = add nsw i64 %2, %t0
; KERNEL-IR-NEXT: %4 = icmp sle i64 %3, 97
; KERNEL-IR-NEXT: br i1 %4, label %polly.then, label %polly.else
; KERNEL-IR-LABEL: polly.merge: ; preds = %polly.else, %polly.stmt.for.body3
; KERNEL-IR-NEXT: ret void
; KERNEL-IR-LABEL: polly.then: ; preds = %polly.cond
; KERNEL-IR-NEXT: %5 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %6 = add nsw i64 %5, %t0
; KERNEL-IR-NEXT: br label %polly.stmt.for.body3
; KERNEL-IR-LABEL: polly.stmt.for.body3: ; preds = %polly.then
; KERNEL-IR-NEXT: %polly.access.cast.MemRef_A = bitcast i8 addrspace(1)* %MemRef_A to float addrspace(1)*
; KERNEL-IR-NEXT: %pexp.pdiv_r = urem i64 %c0, 2
; KERNEL-IR-NEXT: %polly.access.mul.MemRef_A = mul nsw i64 %pexp.pdiv_r, 100
; KERNEL-IR-NEXT: %7 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %8 = add nsw i64 %7, %t0
; KERNEL-IR-NEXT: %polly.access.add.MemRef_A = add nsw i64 %polly.access.mul.MemRef_A, %8
; KERNEL-IR-NEXT: %polly.access.MemRef_A = getelementptr float, float addrspace(1)* %polly.access.cast.MemRef_A, i64 %polly.access.add.MemRef_A
; KERNEL-IR-NEXT: %tmp_p_scalar_ = load float, float addrspace(1)* %polly.access.MemRef_A, align 4
; KERNEL-IR-NEXT: %polly.access.cast.MemRef_A1 = bitcast i8 addrspace(1)* %MemRef_A to float addrspace(1)*
; KERNEL-IR-NEXT: %pexp.pdiv_r2 = urem i64 %c0, 2
; KERNEL-IR-NEXT: %polly.access.mul.MemRef_A3 = mul nsw i64 %pexp.pdiv_r2, 100
; KERNEL-IR-NEXT: %9 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %10 = add nsw i64 %9, %t0
; KERNEL-IR-NEXT: %11 = add nsw i64 %10, 1
; KERNEL-IR-NEXT: %polly.access.add.MemRef_A4 = add nsw i64 %polly.access.mul.MemRef_A3, %11
; KERNEL-IR-NEXT: %polly.access.MemRef_A5 = getelementptr float, float addrspace(1)* %polly.access.cast.MemRef_A1, i64 %polly.access.add.MemRef_A4
; KERNEL-IR-NEXT: %tmp2_p_scalar_ = load float, float addrspace(1)* %polly.access.MemRef_A5, align 4
; KERNEL-IR-NEXT: %p_add = fadd float %tmp_p_scalar_, %tmp2_p_scalar_
; KERNEL-IR-NEXT: %polly.access.cast.MemRef_A6 = bitcast i8 addrspace(1)* %MemRef_A to float addrspace(1)*
; KERNEL-IR-NEXT: %pexp.pdiv_r7 = urem i64 %c0, 2
; KERNEL-IR-NEXT: %polly.access.mul.MemRef_A8 = mul nsw i64 %pexp.pdiv_r7, 100
; KERNEL-IR-NEXT: %12 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %13 = add nsw i64 %12, %t0
; KERNEL-IR-NEXT: %14 = add nsw i64 %13, 2
; KERNEL-IR-NEXT: %polly.access.add.MemRef_A9 = add nsw i64 %polly.access.mul.MemRef_A8, %14
; KERNEL-IR-NEXT: %polly.access.MemRef_A10 = getelementptr float, float addrspace(1)* %polly.access.cast.MemRef_A6, i64 %polly.access.add.MemRef_A9
; KERNEL-IR-NEXT: %tmp3_p_scalar_ = load float, float addrspace(1)* %polly.access.MemRef_A10, align 4
; KERNEL-IR-NEXT: %p_add12 = fadd float %p_add, %tmp3_p_scalar_
; KERNEL-IR-NEXT: %polly.access.cast.MemRef_A11 = bitcast i8 addrspace(1)* %MemRef_A to float addrspace(1)*
; KERNEL-IR-NEXT: %15 = add nsw i64 %c0, 1
; KERNEL-IR-NEXT: %pexp.pdiv_r12 = urem i64 %15, 2
; KERNEL-IR-NEXT: %polly.access.mul.MemRef_A13 = mul nsw i64 %pexp.pdiv_r12, 100
; KERNEL-IR-NEXT: %16 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %17 = add nsw i64 %16, %t0
; KERNEL-IR-NEXT: %18 = add nsw i64 %17, 1
; KERNEL-IR-NEXT: %polly.access.add.MemRef_A14 = add nsw i64 %polly.access.mul.MemRef_A13, %18
; KERNEL-IR-NEXT: %polly.access.MemRef_A15 = getelementptr float, float addrspace(1)* %polly.access.cast.MemRef_A11, i64 %polly.access.add.MemRef_A14
; KERNEL-IR-NEXT: %tmp4_p_scalar_ = load float, float addrspace(1)* %polly.access.MemRef_A15, align 4
; KERNEL-IR-NEXT: %p_add17 = fadd float %tmp4_p_scalar_, %p_add12
; KERNEL-IR-NEXT: %polly.access.cast.MemRef_A16 = bitcast i8 addrspace(1)* %MemRef_A to float addrspace(1)*
; KERNEL-IR-NEXT: %19 = add nsw i64 %c0, 1
; KERNEL-IR-NEXT: %pexp.pdiv_r17 = urem i64 %19, 2
; KERNEL-IR-NEXT: %polly.access.mul.MemRef_A18 = mul nsw i64 %pexp.pdiv_r17, 100
; KERNEL-IR-NEXT: %20 = mul nsw i64 32, %b0
; KERNEL-IR-NEXT: %21 = add nsw i64 %20, %t0
; KERNEL-IR-NEXT: %22 = add nsw i64 %21, 1
; KERNEL-IR-NEXT: %polly.access.add.MemRef_A19 = add nsw i64 %polly.access.mul.MemRef_A18, %22
; KERNEL-IR-NEXT: %polly.access.MemRef_A20 = getelementptr float, float addrspace(1)* %polly.access.cast.MemRef_A16, i64 %polly.access.add.MemRef_A19
; KERNEL-IR-NEXT: store float %p_add17, float addrspace(1)* %polly.access.MemRef_A20, align 4
; KERNEL-IR-NEXT: br label %polly.merge
; KERNEL-IR-LABEL: polly.else: ; preds = %polly.cond
; KERNEL-IR-NEXT: br label %polly.merge
; KERNEL-IR-NEXT: }
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo([100 x float]* %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc18, %entry
%t.0 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ]
%exitcond1 = icmp ne i64 %t.0, 100
br i1 %exitcond1, label %for.body, label %for.end20
for.body: ; preds = %for.cond
br label %for.cond1
for.cond1: ; preds = %for.inc, %for.body
%i.0 = phi i64 [ 1, %for.body ], [ %inc, %for.inc ]
%exitcond = icmp ne i64 %i.0, 99
br i1 %exitcond, label %for.body3, label %for.end
for.body3: ; preds = %for.cond1
%sub = add nsw i64 %i.0, -1
%rem = srem i64 %t.0, 2
%arrayidx4 = getelementptr inbounds [100 x float], [100 x float]* %A, i64 %rem, i64 %sub
%tmp = load float, float* %arrayidx4, align 4
%rem5 = srem i64 %t.0, 2
%arrayidx7 = getelementptr inbounds [100 x float], [100 x float]* %A, i64 %rem5, i64 %i.0
%tmp2 = load float, float* %arrayidx7, align 4
%add = fadd float %tmp, %tmp2
%add8 = add nuw nsw i64 %i.0, 1
%rem9 = srem i64 %t.0, 2
%arrayidx11 = getelementptr inbounds [100 x float], [100 x float]* %A, i64 %rem9, i64 %add8
%tmp3 = load float, float* %arrayidx11, align 4
%add12 = fadd float %add, %tmp3
%add13 = add nuw nsw i64 %t.0, 1
%rem14 = srem i64 %add13, 2
%arrayidx16 = getelementptr inbounds [100 x float], [100 x float]* %A, i64 %rem14, i64 %i.0
%tmp4 = load float, float* %arrayidx16, align 4
%add17 = fadd float %tmp4, %add12
store float %add17, float* %arrayidx16, align 4
br label %for.inc
for.inc: ; preds = %for.body3
%inc = add nuw nsw i64 %i.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %for.inc18
for.inc18: ; preds = %for.end
%inc19 = add nuw nsw i64 %t.0, 1
br label %for.cond
for.end20: ; preds = %for.cond
ret void
}