5d5b30649a
If nothing is executed we can bail out early. Otherwise we can use the constraints that ensure at least one statement is executed for simplification. llvm-svn: 245585
37 lines
852 B
LLVM
37 lines
852 B
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-no-early-exit -polly-codegen -verify-region-info -verify-dom-info -S < %s | FileCheck %s
|
|
|
|
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"
|
|
|
|
@A = common global [1536 x float] zeroinitializer
|
|
|
|
define void @loop_with_condition() nounwind {
|
|
bb0:
|
|
fence seq_cst
|
|
br label %bb1
|
|
|
|
bb1:
|
|
br label %bb2
|
|
|
|
bb2:
|
|
%ind1 = phi i32 [0, %bb1], [ %inc0, %bb2]
|
|
%ptr = getelementptr [1536 x float], [1536 x float]* @A, i64 0, i32 %ind1
|
|
store float undef, float* %ptr
|
|
%inc0 = add i32 %ind1, 1
|
|
%cond1 = icmp eq i32 %ind1, 32
|
|
br i1 %cond1, label %bb4, label %bb2
|
|
|
|
bb4:
|
|
br label %bb5
|
|
|
|
bb5:
|
|
fence seq_cst
|
|
ret void
|
|
|
|
}
|
|
|
|
; CHECK: polly.split_new_and_old
|
|
; CHECK: polly.merge_new_and_old
|
|
|
|
|
|
|