1; RUN: opt %loadPolly -analyze -polly-use-llvm-names -polly-scops -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=SCOP 2; RUN: opt %loadPolly -S -polly-use-llvm-names -polly-codegen-ppcg -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=HOST-IR 3 4; REQUIRES: pollyacc 5 6; Check that we detect a scop with invariant accesses. 7; SCOP: Function: f 8; SCOP-NEXT: Region: %entry.split---%for.end 9; SCOP-NEXT: Max Loop Depth: 1 10; SCOP-NEXT: Invariant Accesses: { 11; SCOP-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 12; SCOP-NEXT: [tmp2] -> { Stmt_for_body[i0] -> MemRef_idx[0] }; 13; SCOP-NEXT: Execution Context: [tmp2] -> { : } 14; SCOP-NEXT: } 15 16; Check that kernel launch is generated in host IR. 17; the declare would not be generated unless a call to a kernel exists. 18; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*) 19 20; Check if we generate GPU code for simple loop with variable upper bound. 21; This always worked, but have this test to prevent regressions. 22; void f(int *idx, int *arr) { 23; for (int i = 0; i < *idx; i++) { 24; arr[i] = 0; 25; } 26; } 27; 28target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 29 30define void @f(i32* %idx, i32* %arr) { 31entry: 32 br label %entry.split 33 34entry.split: ; preds = %entry 35 %tmp21 = load i32, i32* %idx, align 4 36 %cmp2 = icmp sgt i32 %tmp21, 0 37 br i1 %cmp2, label %for.body.lr.ph, label %for.end 38 39for.body.lr.ph: ; preds = %entry.split 40 br label %for.body 41 42for.body: ; preds = %for.body.lr.ph, %for.body 43 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 44 %arrayidx = getelementptr inbounds i32, i32* %arr, i64 %indvars.iv 45 store i32 0, i32* %arrayidx, align 4 46 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 47 %tmp2 = load i32, i32* %idx, align 4 48 %0 = sext i32 %tmp2 to i64 49 %cmp = icmp slt i64 %indvars.iv.next, %0 50 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge 51 52for.cond.for.end_crit_edge: ; preds = %for.body 53 br label %for.end 54 55for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split 56 ret void 57} 58