getNumberOfIterations.ll
1.55 KB
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; RUN: opt %loadPolly -polly-vectorizer=polly -polly-codegen \
; RUN: < %s -S | FileCheck %s
; #pragma known-parallel
; for (int c0 = 0; c0 <= min(15, N - 1); c0 += 1)
; Stmt_if_then(c0);
; CHECK: polly.stmt.if.then: ; preds = %polly.loop_header
; CHECK: %p_conv = sitofp i64 %polly.indvar to float
; CHECK: %scevgep = getelementptr float, float* %A, i64 %polly.indvar
; CHECK: %_p_scalar_ = load float, float* %scevgep, align 4, !alias.scope !0, !noalias !2, !llvm.mem.parallel_loop_access !3
; CHECK: %p_add = fadd float %p_conv, %_p_scalar_
; CHECK: store float %p_add, float* %scevgep, align 4, !alias.scope !0, !noalias !2, !llvm.mem.parallel_loop_access !3
define void @foo(float* %A, i64 %N) #0 {
entry:
br label %for.body
for.body: ; preds = %entry, %for.inc
%i.02 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
%cmp1 = icmp slt i64 %i.02, %N
br i1 %cmp1, label %if.then, label %for.inc
if.then: ; preds = %for.body
%conv = sitofp i64 %i.02 to float
%arrayidx = getelementptr inbounds float, float* %A, i64 %i.02
%0 = load float, float* %arrayidx, align 4
%add = fadd float %conv, %0
store float %add, float* %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %for.body, %if.then
%inc = add nuw nsw i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 16
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.inc
ret void
}