Juergen Ributzka | 5b6234d | 2013-11-30 03:07:16 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=x86-64 -mcpu=corei7-avx -enable-unsafe-fp-math < %s | FileCheck %s |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 2 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 3 | ; CHECK-LABEL: test1 |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 4 | define float @test1(float %a) { |
Owen Anderson | d1545e3 | 2012-08-30 23:51:20 +0000 | [diff] [blame] | 5 | ; CHECK-NOT: addss |
| 6 | ; CHECK: mulss |
| 7 | ; CHECK-NOT: addss |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 8 | ; CHECK: ret |
| 9 | %t1 = fadd float %a, %a |
| 10 | %r = fadd float %t1, %t1 |
| 11 | ret float %r |
| 12 | } |
| 13 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 14 | ; CHECK-LABEL: test2 |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 15 | define float @test2(float %a) { |
Owen Anderson | d1545e3 | 2012-08-30 23:51:20 +0000 | [diff] [blame] | 16 | ; CHECK-NOT: addss |
| 17 | ; CHECK: mulss |
| 18 | ; CHECK-NOT: addss |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 19 | ; CHECK: ret |
| 20 | %t1 = fmul float 4.0, %a |
| 21 | %t2 = fadd float %a, %a |
| 22 | %r = fadd float %t1, %t2 |
| 23 | ret float %r |
| 24 | } |
| 25 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 26 | ; CHECK-LABEL: test3 |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 27 | define float @test3(float %a) { |
Owen Anderson | d1545e3 | 2012-08-30 23:51:20 +0000 | [diff] [blame] | 28 | ; CHECK-NOT: addss |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 29 | ; CHECK: mulss |
| 30 | ; CHECK-NOT: addss |
| 31 | ; CHECK: ret |
| 32 | %t1 = fmul float %a, 4.0 |
| 33 | %t2 = fadd float %a, %a |
| 34 | %r = fadd float %t1, %t2 |
| 35 | ret float %r |
| 36 | } |
| 37 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 38 | ; CHECK-LABEL: test4 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 39 | define float @test4(float %a) { |
| 40 | ; CHECK-NOT: addss |
| 41 | ; CHECK: mulss |
| 42 | ; CHECK-NOT: addss |
| 43 | ; CHECK: ret |
| 44 | %t1 = fadd float %a, %a |
| 45 | %t2 = fmul float 4.0, %a |
| 46 | %r = fadd float %t1, %t2 |
| 47 | ret float %r |
| 48 | } |
| 49 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 50 | ; CHECK-LABEL: test5 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 51 | define float @test5(float %a) { |
| 52 | ; CHECK-NOT: addss |
| 53 | ; CHECK: mulss |
| 54 | ; CHECK-NOT: addss |
| 55 | ; CHECK: ret |
| 56 | %t1 = fadd float %a, %a |
| 57 | %t2 = fmul float %a, 4.0 |
| 58 | %r = fadd float %t1, %t2 |
| 59 | ret float %r |
| 60 | } |
| 61 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 62 | ; CHECK-LABEL: test6 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 63 | define float @test6(float %a) { |
| 64 | ; CHECK-NOT: addss |
Owen Anderson | d1545e3 | 2012-08-30 23:51:20 +0000 | [diff] [blame] | 65 | ; CHECK: xorps |
| 66 | ; CHECK-NOT: addss |
Owen Anderson | cc61f87 | 2012-08-30 23:35:16 +0000 | [diff] [blame] | 67 | ; CHECK: ret |
| 68 | %t1 = fmul float 2.0, %a |
| 69 | %t2 = fadd float %a, %a |
| 70 | %r = fsub float %t1, %t2 |
| 71 | ret float %r |
| 72 | } |
| 73 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 74 | ; CHECK-LABEL: test7 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 75 | define float @test7(float %a) { |
| 76 | ; CHECK-NOT: addss |
| 77 | ; CHECK: xorps |
| 78 | ; CHECK-NOT: addss |
| 79 | ; CHECK: ret |
| 80 | %t1 = fmul float %a, 2.0 |
| 81 | %t2 = fadd float %a, %a |
| 82 | %r = fsub float %t1, %t2 |
| 83 | ret float %r |
| 84 | } |
| 85 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 86 | ; CHECK-LABEL: test8 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 87 | define float @test8(float %a) { |
Owen Anderson | b351c8d | 2012-11-01 02:00:53 +0000 | [diff] [blame] | 88 | ; CHECK-NOT: fma |
Benjamin Kramer | 01b75cc | 2013-03-09 18:25:40 +0000 | [diff] [blame] | 89 | ; CHECK-NOT: mul |
Owen Anderson | b351c8d | 2012-11-01 02:00:53 +0000 | [diff] [blame] | 90 | ; CHECK-NOT: add |
| 91 | ; CHECK: ret |
| 92 | %t1 = fmul float %a, 0.0 |
| 93 | %t2 = fadd float %a, %t1 |
| 94 | ret float %t2 |
| 95 | } |
| 96 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 97 | ; CHECK-LABEL: test9 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 98 | define float @test9(float %a) { |
| 99 | ; CHECK-NOT: fma |
| 100 | ; CHECK-NOT: mul |
| 101 | ; CHECK-NOT: add |
| 102 | ; CHECK: ret |
| 103 | %t1 = fmul float 0.0, %a |
| 104 | %t2 = fadd float %t1, %a |
| 105 | ret float %t2 |
| 106 | } |
| 107 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 108 | ; CHECK-LABEL: test10 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 109 | define float @test10(float %a) { |
| 110 | ; CHECK-NOT: add |
| 111 | ; CHECK: vxorps |
| 112 | ; CHECK: ret |
| 113 | %t1 = fsub float -0.0, %a |
| 114 | %t2 = fadd float %a, %t1 |
| 115 | ret float %t2 |
| 116 | } |
| 117 | |
Stephen Lin | 764d8d3 | 2013-07-12 14:54:12 +0000 | [diff] [blame] | 118 | ; CHECK-LABEL: test11 |
Stephen Lin | e31f2d2 | 2013-06-14 18:17:35 +0000 | [diff] [blame] | 119 | define float @test11(float %a) { |
Owen Anderson | b351c8d | 2012-11-01 02:00:53 +0000 | [diff] [blame] | 120 | ; CHECK-NOT: add |
| 121 | ; CHECK: vxorps |
| 122 | ; CHECK: ret |
| 123 | %t1 = fsub float -0.0, %a |
| 124 | %t2 = fadd float %a, %t1 |
| 125 | ret float %t2 |
| 126 | } |