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; RUN: opt %loadPolly -polly-print-optree -disable-output < %s | FileCheck %s -match-full-lines
;
; Move operand tree without duplicating values used multiple times.
;
define void @func(i32 %n, ptr 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, ptr %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, ptr %A, align 8
; CHECK-NEXT: }
; CHECK-NEXT: }
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