forked from OSchip/llvm-project
43 lines
1.1 KiB
LLVM
43 lines
1.1 KiB
LLVM
; 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
|
|
}
|