forked from OSchip/llvm-project
85 lines
2.9 KiB
LLVM
85 lines
2.9 KiB
LLVM
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=true -polly-optree -analyze < %s | FileCheck %s -match-full-lines -check-prefixes=STATS,MODEL
|
|
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=false -polly-optree -analyze < %s | FileCheck %s -match-full-lines -check-prefixes=STATS,NOMODEL
|
|
;
|
|
; Move %val to %bodyB, so %bodyA can be removed (by -polly-simplify)
|
|
;
|
|
; for (int j = 0; j < n; j += 1) {
|
|
; bodyA:
|
|
; double val = arg + 21.0;
|
|
;
|
|
; bodyB:
|
|
; A[0] = val;
|
|
; }
|
|
;
|
|
define void @func(i32 %n, double* noalias nonnull %A, double %arg) {
|
|
entry:
|
|
br label %for
|
|
|
|
for:
|
|
%j = phi i32 [0, %entry], [%j.inc, %inc]
|
|
%j.cmp = icmp slt i32 %j, %n
|
|
br i1 %j.cmp, label %bodyA, label %exit
|
|
|
|
bodyA:
|
|
%val = fadd double %arg, 21.0
|
|
br label %bodyB
|
|
|
|
bodyB:
|
|
store double %val, double* %A
|
|
br label %inc
|
|
|
|
inc:
|
|
%j.inc = add nuw nsw i32 %j, 1
|
|
br label %for
|
|
|
|
exit:
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
|
|
; STATS: Statistics {
|
|
; STATS: Instructions copied: 1
|
|
; STATS: Read-only accesses copied: 1
|
|
; STATS: Operand trees forwarded: 1
|
|
; STATS: Statements with forwarded operand trees: 1
|
|
; STATS: }
|
|
|
|
; MODEL: After statements {
|
|
; MODEL-NEXT: Stmt_bodyA
|
|
; MODEL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; MODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_arg[] };
|
|
; MODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; MODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
|
|
; MODEL-NEXT: Instructions {
|
|
; MODEL-NEXT: %val = fadd double %arg, 2.100000e+01
|
|
; MODEL-NEXT: }
|
|
; MODEL-NEXT: Stmt_bodyB
|
|
; MODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; MODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
|
|
; MODEL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; MODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_arg[] };
|
|
; MODEL-NEXT: Instructions {
|
|
; MODEL-NEXT: %val = fadd double %arg, 2.100000e+01
|
|
; MODEL-NEXT: store double %val, double* %A
|
|
; MODEL-NEXT: }
|
|
; MODEL-NEXT: }
|
|
|
|
; NOMODEL: After statements {
|
|
; NOMODEL-NEXT: Stmt_bodyA
|
|
; NOMODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; NOMODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
|
|
; NOMODEL-NEXT: Instructions {
|
|
; NOMODEL-NEXT: %val = fadd double %arg, 2.100000e+01
|
|
; NOMODEL-NEXT: }
|
|
; NOMODEL-NEXT: Stmt_bodyB
|
|
; NOMODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; NOMODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
|
|
; NOMODEL-NEXT: Instructions {
|
|
; NOMODEL-NEXT: %val = fadd double %arg, 2.100000e+01
|
|
; NOMODEL-NEXT: store double %val, double* %A
|
|
; NOMODEL-NEXT: }
|
|
; NOMODEL-NEXT: }
|