diff options
Diffstat (limited to 'polly/test/GPGPU/invariant-load-hoisting-of-array.ll')
| -rw-r--r-- | polly/test/GPGPU/invariant-load-hoisting-of-array.ll | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/polly/test/GPGPU/invariant-load-hoisting-of-array.ll b/polly/test/GPGPU/invariant-load-hoisting-of-array.ll deleted file mode 100644 index 015a3dacbe10..000000000000 --- a/polly/test/GPGPU/invariant-load-hoisting-of-array.ll +++ /dev/null @@ -1,101 +0,0 @@ -; RUN: opt -opaque-pointers=0 %loadPolly -polly-invariant-load-hoisting -polly-print-scops -disable-output < %s | FileCheck %s -check-prefix=SCOP - -; RUN: opt -opaque-pointers=0 %loadPolly -S -polly-codegen-ppcg \ -; RUN: -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=HOST-IR - -; REQUIRES: pollyacc - -; Entry: Contains (%loaded.ptr.preload.s2a = alloca double*) which is -; | invariant load hoisted `%loaded.ptr` -; v -; Run-time check --(failure branch)--> { old code - contains `%loaded.ptr` } -; | -; (success branch) -; | -; v -; New Code: Should refer to `%loaded.ptr.preload.s2a`, which is -; the invariant load hoisted value, NOT `%loaded.ptr`. - -; In Polly, we preserve the old code and create a separate branch that executes -; the GPU code if a run-time check succeeds. - -; We need to make sure that in the new branch, we pick up invariant load hoisted -; values. The old values will belong to the old code branch. - -; In this case, we use to try to load the 'original' %loaded.ptr in the -; 'New Code' branch,which is wrong. Check that this does not happen. - -; Check that we have a Scop with an invariant load of the array. -; SCOP: Function: f -; SCOP-NEXT: Region: %arrload---%for.exit -; SCOP-NEXT: Max Loop Depth: 1 -; SCOP-NEXT: Invariant Accesses: { -; SCOP-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] -; SCOP-NEXT: { Stmt_arrload[] -> MemRef_arr_of_ptrs[0] }; - - - -; Check that we have the preloaded array. -; HOST-IR: entry: -; HOST-IR-NEXT: %loaded.ptr.preload.s2a = alloca double* - -; Chek that we store the correct value in the preload. -; polly.preload.begin: ; preds = %polly.split_new_and_old -; HOST-IR: %polly.access.arr.of.ptrs = getelementptr double*, double** %arr.of.ptrs, i64 0 -; HOST-IR-NEXT: %polly.access.arr.of.ptrs.load = load double*, double** %polly.access.arr.of.ptrs -; HOST-IR-NEXT: store double* %polly.access.arr.of.ptrs.load, double** %loaded.ptr.preload.s2a - -; Check that we get back data from the kernel. -; HOST-IR: polly.acc.initialize: ; preds = %polly.start -; HOST-IR: [[FIRSTINDEX:%.+]] = getelementptr double, double* %polly.access.arr.of.ptrs.load, i64 1 -; HOST-IR: [[BITCASTED:%.+]] = bitcast double* [[FIRSTINDEX]] to i8* -; HOST-IR: call void @polly_copyFromDeviceToHost(i8* %p_dev_array_MemRef_loaded_ptr, i8* [[BITCASTED]], i64 800) - -; Check that the kernel launch is generated in the host IR. -; This declaration would not have been generated unless a kernel launch exists. -; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*) - - -; C pseudocode equivalent -; void f(double **arr_of_ptrs) { -; double *loaded_ptr = arr_of_ptrs[0]; -; if (false) { return; } -; else { -; for(int i = 1; i < 100; i++) { -; loaded_ptr[i] = 42.0; -; } -; } -; } - - -target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" -target triple = "x86_64-unknown-linux-gnu" - - -; Function Attrs: nounwind uwtable -define void @f(double **%arr.of.ptrs) #0 { -entry: - br label %arrload - -arrload: ; preds = %"7" - %loaded.ptr = load double*, double** %arr.of.ptrs, align 8 - br i1 false, label %"for.exit", label %"for.preheader" - -"for.preheader": ; preds = %"51" - br label %"for.body" - -"for.body": ; preds = %"53", %"53.lr.ph" - %indvar = phi i64 [ 1, %"for.preheader" ], [ %indvar.next, %"for.body" ] - %slot = getelementptr double, double* %loaded.ptr, i64 %indvar - store double 42.0, double* %slot, align 8 - - %indvar.next = add nuw nsw i64 %indvar, 1 - - %check = icmp sgt i64 %indvar.next, 100 - br i1 %check, label %"for.exit", label %"for.body" - -"for.exit": ; preds = %"52.54_crit_edge", %"51" - ret void -} - -attributes #0 = { nounwind uwtable } |