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| ; RUN: opt %loadPolly -polly-process-unprofitable=false \
; RUN: \
; RUN: -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-process-unprofitable=true \
; RUN: \
; RUN: -polly-detect -analyze < %s | FileCheck %s
; CHECK: Valid Region for Scop:
; void foo(float *A, float *B, long N) {
; if (N > 100)
; for (long i = 0; i < 100; i++)
; A[i] += i;
; else
; for (long i = 0; i < 100; i++)
; B[i] += i;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* %A, float* %B, i64 %N) {
entry:
br label %bb
bb:
%tmp = icmp sgt i64 %N, 100
br i1 %tmp, label %bb2, label %bb12
bb2: ; preds = %bb
br label %bb3
bb3: ; preds = %bb9, %bb2
%i.0 = phi i64 [ 0, %bb2 ], [ %tmp10, %bb9 ]
%exitcond = icmp ne i64 %i.0, 100
br i1 %exitcond, label %bb4, label %bb11
bb4: ; preds = %bb3
%tmp5 = sitofp i64 %i.0 to float
%tmp6 = getelementptr inbounds float, float* %A, i64 %i.0
%tmp7 = load float, float* %tmp6, align 4
%tmp8 = fadd float %tmp7, %tmp5
store float %tmp8, float* %tmp6, align 4
br label %bb9
bb9: ; preds = %bb4
%tmp10 = add nsw i64 %i.0, 1
br label %bb3
bb11: ; preds = %bb3
br label %bb22
bb12: ; preds = %bb
br label %bb13
bb13: ; preds = %bb19, %bb12
%i1.0 = phi i64 [ 0, %bb12 ], [ %tmp20, %bb19 ]
%exitcond1 = icmp ne i64 %i1.0, 100
br i1 %exitcond1, label %bb14, label %bb21
bb14: ; preds = %bb13
%tmp15 = sitofp i64 %i1.0 to float
%tmp16 = getelementptr inbounds float, float* %B, i64 %i1.0
%tmp17 = load float, float* %tmp16, align 4
%tmp18 = fadd float %tmp17, %tmp15
store float %tmp18, float* %tmp16, align 4
br label %bb19
bb19: ; preds = %bb14
%tmp20 = add nsw i64 %i1.0, 1
br label %bb13
bb21: ; preds = %bb13
br label %bb22
bb22: ; preds = %bb21, %bb11
ret void
}
|