1 ; RUN: llc < %s -mcpu=generic -march=x86 -mattr=+cmov,cx16 -verify-machineinstrs | FileCheck %s 2 3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 4 5 define void @func(i32 %argc, i8** %argv) nounwind { 6 entry: 7 %argc.addr = alloca i32 ; <i32*> [#uses=1] 8 %argv.addr = alloca i8** ; <i8***> [#uses=1] 9 %val1 = alloca i32 ; <i32*> [#uses=2] 10 %val2 = alloca i32 ; <i32*> [#uses=15] 11 %andt = alloca i32 ; <i32*> [#uses=2] 12 %ort = alloca i32 ; <i32*> [#uses=2] 13 %xort = alloca i32 ; <i32*> [#uses=2] 14 %old = alloca i32 ; <i32*> [#uses=18] 15 %temp = alloca i32 ; <i32*> [#uses=2] 16 %temp64 = alloca i64 17 store i32 %argc, i32* %argc.addr 18 store i8** %argv, i8*** %argv.addr 19 store i32 0, i32* %val1 20 store i32 31, i32* %val2 21 store i32 3855, i32* %andt 22 store i32 3855, i32* %ort 23 store i32 3855, i32* %xort 24 store i32 4, i32* %temp 25 %tmp = load i32, i32* %temp 26 ; CHECK: lock 27 ; CHECK: xaddl 28 %0 = atomicrmw add i32* %val1, i32 %tmp monotonic 29 store i32 %0, i32* %old 30 ; CHECK: lock 31 ; CHECK: xaddl 32 %1 = atomicrmw sub i32* %val2, i32 30 monotonic 33 store i32 %1, i32* %old 34 ; CHECK: lock 35 ; CHECK: xaddl 36 %2 = atomicrmw add i32* %val2, i32 1 monotonic 37 store i32 %2, i32* %old 38 ; CHECK: lock 39 ; CHECK: xaddl 40 %3 = atomicrmw sub i32* %val2, i32 1 monotonic 41 store i32 %3, i32* %old 42 ; CHECK: andl 43 ; CHECK: lock 44 ; CHECK: cmpxchgl 45 %4 = atomicrmw and i32* %andt, i32 4080 monotonic 46 store i32 %4, i32* %old 47 ; CHECK: orl 48 ; CHECK: lock 49 ; CHECK: cmpxchgl 50 %5 = atomicrmw or i32* %ort, i32 4080 monotonic 51 store i32 %5, i32* %old 52 ; CHECK: xorl 53 ; CHECK: lock 54 ; CHECK: cmpxchgl 55 %6 = atomicrmw xor i32* %xort, i32 4080 monotonic 56 store i32 %6, i32* %old 57 ; CHECK: cmov 58 ; CHECK: lock 59 ; CHECK: cmpxchgl 60 %7 = atomicrmw min i32* %val2, i32 16 monotonic 61 store i32 %7, i32* %old 62 %neg = sub i32 0, 1 ; <i32> [#uses=1] 63 ; CHECK: cmov 64 ; CHECK: lock 65 ; CHECK: cmpxchgl 66 %8 = atomicrmw min i32* %val2, i32 %neg monotonic 67 store i32 %8, i32* %old 68 ; CHECK: cmov 69 ; CHECK: lock 70 ; CHECK: cmpxchgl 71 %9 = atomicrmw max i32* %val2, i32 1 monotonic 72 store i32 %9, i32* %old 73 ; CHECK: cmov 74 ; CHECK: lock 75 ; CHECK: cmpxchgl 76 %10 = atomicrmw max i32* %val2, i32 0 monotonic 77 store i32 %10, i32* %old 78 ; CHECK: cmov 79 ; CHECK: lock 80 ; CHECK: cmpxchgl 81 %11 = atomicrmw umax i32* %val2, i32 65535 monotonic 82 store i32 %11, i32* %old 83 ; CHECK: cmov 84 ; CHECK: lock 85 ; CHECK: cmpxchgl 86 %12 = atomicrmw umax i32* %val2, i32 10 monotonic 87 store i32 %12, i32* %old 88 ; CHECK: cmov 89 ; CHECK: lock 90 ; CHECK: cmpxchgl 91 %13 = atomicrmw umin i32* %val2, i32 1 monotonic 92 store i32 %13, i32* %old 93 ; CHECK: cmov 94 ; CHECK: lock 95 ; CHECK: cmpxchgl 96 %14 = atomicrmw umin i32* %val2, i32 10 monotonic 97 store i32 %14, i32* %old 98 ; CHECK: xchgl %{{.*}}, {{.*}}(%esp) 99 %15 = atomicrmw xchg i32* %val2, i32 1976 monotonic 100 store i32 %15, i32* %old 101 %neg1 = sub i32 0, 10 ; <i32> [#uses=1] 102 ; CHECK: lock 103 ; CHECK: cmpxchgl 104 %pair16 = cmpxchg i32* %val2, i32 %neg1, i32 1 monotonic monotonic 105 %16 = extractvalue { i32, i1 } %pair16, 0 106 store i32 %16, i32* %old 107 ; CHECK: lock 108 ; CHECK: cmpxchgl 109 %pair17 = cmpxchg i32* %val2, i32 1976, i32 1 monotonic monotonic 110 %17 = extractvalue { i32, i1 } %pair17, 0 111 store i32 %17, i32* %old 112 ; CHECK: movl [[R17atomic:.*]], %eax 113 ; CHECK: movl %eax, %[[R17mask:[a-z]*]] 114 ; CHECK: notl %[[R17mask]] 115 ; CHECK: orl $-1402, %[[R17mask]] 116 ; CHECK: lock 117 ; CHECK: cmpxchgl %[[R17mask]], [[R17atomic]] 118 ; CHECK: jne 119 ; CHECK: movl %eax, 120 %18 = atomicrmw nand i32* %val2, i32 1401 monotonic 121 store i32 %18, i32* %old 122 ; CHECK: notl 123 ; CHECK: notl 124 ; CHECK: orl $252645135 125 ; CHECK: orl $252645135 126 ; CHECK: lock 127 ; CHECK: cmpxchg8b 128 %19 = atomicrmw nand i64* %temp64, i64 17361641481138401520 monotonic 129 store i64 %19, i64* %temp64 130 ret void 131 } 132 133 define void @test2(i32 addrspace(256)* nocapture %P) nounwind { 134 entry: 135 ; CHECK: lock 136 ; CHECK: cmpxchgl %{{.*}}, %gs:(%{{.*}}) 137 138 %pair0 = cmpxchg i32 addrspace(256)* %P, i32 0, i32 1 monotonic monotonic 139 %0 = extractvalue { i32, i1 } %pair0, 0 140 ret void 141 } 142
