forked from OSchip/llvm-project
66 lines
2.1 KiB
LLVM
66 lines
2.1 KiB
LLVM
; RUN: opt %loadPolly -polly-optree -analyze < %s | FileCheck %s -match-full-lines
|
|
;
|
|
; Move operand tree without duplicating values used multiple times.
|
|
;
|
|
define void @func(i32 %n, double* noalias nonnull %A) {
|
|
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:
|
|
%val1 = fadd double 12.5, 12.5
|
|
%val2 = fadd double %val1, %val1
|
|
%val3 = fadd double %val2, %val2
|
|
%val4 = fadd double %val3, %val3
|
|
%val5 = fadd double %val4, %val4
|
|
br label %bodyB
|
|
|
|
bodyB:
|
|
store double %val5, double* %A
|
|
br label %inc
|
|
|
|
inc:
|
|
%j.inc = add nuw nsw i32 %j, 1
|
|
br label %for
|
|
|
|
exit:
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK: Statistics {
|
|
; CHECK: Instructions copied: 5
|
|
; CHECK: Operand trees forwarded: 1
|
|
; CHECK: }
|
|
|
|
; CHECK: After statements {
|
|
; CHECK-NEXT: Stmt_bodyA
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val5[] };
|
|
; CHECK-NEXT: Instructions {
|
|
; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
|
|
; CHECK-NEXT: %val2 = fadd double %val1, %val1
|
|
; CHECK-NEXT: %val3 = fadd double %val2, %val2
|
|
; CHECK-NEXT: %val4 = fadd double %val3, %val3
|
|
; CHECK-NEXT: %val5 = fadd double %val4, %val4
|
|
; CHECK-NEXT: }
|
|
; CHECK-NEXT: Stmt_bodyB
|
|
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
|
|
; CHECK-NEXT: Instructions {
|
|
; CHECK-NEXT: %val1 = fadd double 1.250000e+01, 1.250000e+01
|
|
; CHECK-NEXT: %val2 = fadd double %val1, %val1
|
|
; CHECK-NEXT: %val3 = fadd double %val2, %val2
|
|
; CHECK-NEXT: %val4 = fadd double %val3, %val3
|
|
; CHECK-NEXT: %val5 = fadd double %val4, %val4
|
|
; CHECK-NEXT: store double %val5, double* %A, align 8
|
|
; CHECK-NEXT: }
|
|
; CHECK-NEXT: }
|