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|
; RUN: llc < %s -mcpu=generic -march=x86 -mattr=+cmov | 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]
%temp64 = alloca i64
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
; CHECK: movl [[R17atomic:.*]], %eax
; CHECK: movl $1401, %[[R17mask:[a-z]*]]
; CHECK: andl %eax, %[[R17mask]]
; CHECK: notl %[[R17mask]]
; CHECK: lock
; CHECK: cmpxchgl %[[R17mask]], [[R17atomic]]
; CHECK: jne
; CHECK: movl %eax,
%18 = atomicrmw nand i32* %val2, i32 1401 monotonic
store i32 %18, i32* %old
; CHECK: andl
; CHECK: andl
; CHECK: notl
; CHECK: notl
; CHECK: lock
; CHECK: cmpxchg8b
%19 = atomicrmw nand i64* %temp64, i64 17361641481138401520 monotonic
store i64 %19, i64* %temp64
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
}
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