llvm-project/polly/test/Isl/CodeGen/scalar-references-used-in-s...

51 lines
1.3 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
; Test the code generation in the presence of a scalar out-of-scop value being
; used from within the SCoP.
; CHECH-LABEL: @scalar-function-argument
; CHECK: polly.split_new_and_old
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @scalar-function-argument(float* %A, float %sqrinv) {
entry:
br label %for.body
for.body:
%indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
%mul104 = fmul float 1.0, %sqrinv
%rp107 = getelementptr float, float* %A, i64 %indvar
store float %mul104, float* %rp107, align 4
%indvar.next = add nsw i64 %indvar, 1
%cmp = icmp slt i64 1024, %indvar.next
br i1 %cmp, label %for.end, label %for.body
for.end:
ret void
}
; CHECH-LABEL: @scalar-outside-of-scop
; CHECK: polly.split_new_and_old
define void @scalar-outside-of-scop(float* %A) {
entry:
%sqrinv = call float @getFloat()
br label %for.body
for.body:
%indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
%mul104 = fmul float 1.0, %sqrinv
%rp107 = getelementptr float, float* %A, i64 %indvar
store float %mul104, float* %rp107, align 4
%indvar.next = add nsw i64 %indvar, 1
%cmp = icmp slt i64 1024, %indvar.next
br i1 %cmp, label %for.end, label %for.body
for.end:
ret void
}
declare float @getFloat()