| ; RUN: llc < %s -march=x86 | FileCheck %s |
| |
| 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" |
| |
| define void @func(i32 %argc, i8** %argv) nounwind { |
| entry: |
| %argc.addr = alloca i32 ; <i32*> [#uses=1] |
| %argv.addr = alloca i8** ; <i8***> [#uses=1] |
| %val1 = alloca i32 ; <i32*> [#uses=2] |
| %val2 = alloca i32 ; <i32*> [#uses=15] |
| %andt = alloca i32 ; <i32*> [#uses=2] |
| %ort = alloca i32 ; <i32*> [#uses=2] |
| %xort = alloca i32 ; <i32*> [#uses=2] |
| %old = alloca i32 ; <i32*> [#uses=18] |
| %temp = alloca i32 ; <i32*> [#uses=2] |
| store i32 %argc, i32* %argc.addr |
| store i8** %argv, i8*** %argv.addr |
| store i32 0, i32* %val1 |
| store i32 31, i32* %val2 |
| store i32 3855, i32* %andt |
| store i32 3855, i32* %ort |
| store i32 3855, i32* %xort |
| store i32 4, i32* %temp |
| %tmp = load i32* %temp |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %0 = atomicrmw add i32* %val1, i32 %tmp monotonic |
| store i32 %0, i32* %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %1 = atomicrmw sub i32* %val2, i32 30 monotonic |
| store i32 %1, i32* %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %2 = atomicrmw add i32* %val2, i32 1 monotonic |
| store i32 %2, i32* %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %3 = atomicrmw sub i32* %val2, i32 1 monotonic |
| store i32 %3, i32* %old |
| ; CHECK: andl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %4 = atomicrmw and i32* %andt, i32 4080 monotonic |
| store i32 %4, i32* %old |
| ; CHECK: orl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %5 = atomicrmw or i32* %ort, i32 4080 monotonic |
| store i32 %5, i32* %old |
| ; CHECK: xorl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %6 = atomicrmw xor i32* %xort, i32 4080 monotonic |
| store i32 %6, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %7 = atomicrmw min i32* %val2, i32 16 monotonic |
| store i32 %7, i32* %old |
| %neg = sub i32 0, 1 ; <i32> [#uses=1] |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %8 = atomicrmw min i32* %val2, i32 %neg monotonic |
| store i32 %8, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %9 = atomicrmw max i32* %val2, i32 1 monotonic |
| store i32 %9, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %10 = atomicrmw max i32* %val2, i32 0 monotonic |
| store i32 %10, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %11 = atomicrmw umax i32* %val2, i32 65535 monotonic |
| store i32 %11, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %12 = atomicrmw umax i32* %val2, i32 10 monotonic |
| store i32 %12, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %13 = atomicrmw umin i32* %val2, i32 1 monotonic |
| store i32 %13, i32* %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %14 = atomicrmw umin i32* %val2, i32 10 monotonic |
| store i32 %14, i32* %old |
| ; CHECK: xchgl %{{.*}}, {{.*}}(%esp) |
| %15 = atomicrmw xchg i32* %val2, i32 1976 monotonic |
| store i32 %15, i32* %old |
| %neg1 = sub i32 0, 10 ; <i32> [#uses=1] |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %16 = cmpxchg i32* %val2, i32 %neg1, i32 1 monotonic |
| store i32 %16, i32* %old |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %17 = cmpxchg i32* %val2, i32 1976, i32 1 monotonic |
| store i32 %17, i32* %old |
| ret void |
| } |
| |
| define void @test2(i32 addrspace(256)* nocapture %P) nounwind { |
| entry: |
| ; CHECK: lock |
| ; CHECK: cmpxchgl %{{.*}}, %gs:(%{{.*}}) |
| |
| %0 = cmpxchg i32 addrspace(256)* %P, i32 0, i32 1 monotonic |
| ret void |
| } |