read-only-scalars.ll
1.09 KB
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; RUN: opt %loadPolly -polly-analyze-read-only-scalars=false -polly-codegen \
; RUN: \
; RUN: -S < %s | FileCheck %s
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=true -polly-codegen \
; RUN: \
; RUN: -S < %s | FileCheck %s -check-prefix=SCALAR
; CHECK-NOT: alloca
; SCALAR-LABEL: entry:
; SCALAR-NEXT: %scalar.s2a = alloca float
; SCALAR-LABEL: polly.start:
; SCALAR-NEXT: store float %scalar, float* %scalar.s2a
; SCALAR-LABEL: polly.stmt.stmt1:
; SCALAR-NEXT: %scalar.s2a.reload = load float, float* %scalar.s2a
; SCALAR-NEXT: %val_p_scalar_ = load float, float* %A,
; SCALAR-NEXT: %p_sum = fadd float %val_p_scalar_, %scalar.s2a.reload
define void @foo(float* noalias %A, float %scalar) {
entry:
br label %loop
loop:
%indvar = phi i64 [0, %entry], [%indvar.next, %loop.backedge]
br label %stmt1
stmt1:
%val = load float, float* %A
%sum = fadd float %val, %scalar
store float %sum, float* %A
br label %loop.backedge
loop.backedge:
%indvar.next = add i64 %indvar, 1
%cond = icmp sle i64 %indvar, 100
br i1 %cond, label %loop, label %exit
exit:
ret void
}