| ; RUN: opt %loadPolly -polly-detect -analyze < %s \ |
| ; RUN: | FileCheck %s -check-prefix=DETECT |
| |
| ; RUN: opt %loadPolly -polly-scops -analyze < %s \ |
| ; RUN: | FileCheck %s -check-prefix=SCOPS |
| |
| ; DETECT: Valid Region for Scop: header => exit |
| ; SCOPS-NOT: Region: %header---%exit |
| |
| ; Verify that we detect this scop, but that, due to an infeasible run-time |
| ; check, we refuse to model it. |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| |
| @A = common global [128 x i32] zeroinitializer, align 16 |
| |
| define void @test() nounwind uwtable { |
| preheader: |
| br label %header |
| |
| header: |
| %i = phi i7 [ 0, %preheader ], [ %i.1, %header ] |
| %tmp = zext i7 %i to i64 |
| %A.addr = getelementptr [128 x i32], [128 x i32]* @A, i64 0, i64 %tmp |
| %A.load = load i32, i32* %A.addr, align 4 |
| %A.inc = zext i7 %i to i32 |
| %A.val = add nsw i32 %A.load, %A.inc |
| store i32 %A.val, i32* %A.addr, align 4 |
| %i.1 = add i7 %i, 1 |
| %exitcond = icmp eq i7 %i.1, 0 |
| br i1 %exitcond, label %exit, label %header |
| |
| exit: |
| ret void |
| } |
