1 // run 2 3 // Copyright 2015 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Tests phi implementation 8 9 package main 10 11 func phiOverwrite_ssa() int { 12 var n int 13 for i := 0; i < 10; i++ { 14 if i == 6 { 15 break 16 } 17 n = i 18 } 19 return n 20 } 21 22 func phiOverwrite() { 23 want := 5 24 got := phiOverwrite_ssa() 25 if got != want { 26 println("phiOverwrite_ssa()=", want, ", got", got) 27 failed = true 28 } 29 } 30 31 func phiOverwriteBig_ssa() int { 32 var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z int 33 a = 1 34 for idx := 0; idx < 26; idx++ { 35 a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z = b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, a 36 } 37 return a*1 + b*2 + c*3 + d*4 + e*5 + f*6 + g*7 + h*8 + i*9 + j*10 + k*11 + l*12 + m*13 + n*14 + o*15 + p*16 + q*17 + r*18 + s*19 + t*20 + u*21 + v*22 + w*23 + x*24 + y*25 + z*26 38 } 39 40 func phiOverwriteBig() { 41 want := 1 42 got := phiOverwriteBig_ssa() 43 if got != want { 44 println("phiOverwriteBig_ssa()=", want, ", got", got) 45 failed = true 46 } 47 } 48 49 var failed = false 50 51 func main() { 52 phiOverwrite() 53 phiOverwriteBig() 54 if failed { 55 panic("failed") 56 } 57 } 58
