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144 lines
5.0 KiB
LLVM
144 lines
5.0 KiB
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s
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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"
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define void @func(i32 %argc, i8** %argv) nounwind {
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entry:
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%argc.addr = alloca i32 ; <i32*> [#uses=1]
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%argv.addr = alloca i8** ; <i8***> [#uses=1]
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%val1 = alloca i32 ; <i32*> [#uses=2]
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%val2 = alloca i32 ; <i32*> [#uses=15]
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%andt = alloca i32 ; <i32*> [#uses=2]
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%ort = alloca i32 ; <i32*> [#uses=2]
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%xort = alloca i32 ; <i32*> [#uses=2]
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%old = alloca i32 ; <i32*> [#uses=18]
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%temp = alloca i32 ; <i32*> [#uses=2]
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store i32 %argc, i32* %argc.addr
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store i8** %argv, i8*** %argv.addr
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store i32 0, i32* %val1
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store i32 31, i32* %val2
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store i32 3855, i32* %andt
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store i32 3855, i32* %ort
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store i32 3855, i32* %xort
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store i32 4, i32* %temp
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%tmp = load i32* %temp
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; CHECK: lock
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; CHECK: xaddl
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call i32 @llvm.atomic.load.add.i32.p0i32( i32* %val1, i32 %tmp ) ; <i32>:0 [#uses=1]
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store i32 %0, i32* %old
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; CHECK: lock
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; CHECK: xaddl
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call i32 @llvm.atomic.load.sub.i32.p0i32( i32* %val2, i32 30 ) ; <i32>:1 [#uses=1]
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store i32 %1, i32* %old
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; CHECK: lock
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; CHECK: xaddl
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call i32 @llvm.atomic.load.add.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:2 [#uses=1]
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store i32 %2, i32* %old
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; CHECK: lock
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; CHECK: xaddl
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call i32 @llvm.atomic.load.sub.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:3 [#uses=1]
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store i32 %3, i32* %old
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; CHECK: andl
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.and.i32.p0i32( i32* %andt, i32 4080 ) ; <i32>:4 [#uses=1]
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store i32 %4, i32* %old
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; CHECK: orl
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.or.i32.p0i32( i32* %ort, i32 4080 ) ; <i32>:5 [#uses=1]
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store i32 %5, i32* %old
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; CHECK: xorl
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.xor.i32.p0i32( i32* %xort, i32 4080 ) ; <i32>:6 [#uses=1]
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store i32 %6, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.min.i32.p0i32( i32* %val2, i32 16 ) ; <i32>:7 [#uses=1]
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store i32 %7, i32* %old
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%neg = sub i32 0, 1 ; <i32> [#uses=1]
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.min.i32.p0i32( i32* %val2, i32 %neg ) ; <i32>:8 [#uses=1]
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store i32 %8, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.max.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:9 [#uses=1]
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store i32 %9, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.max.i32.p0i32( i32* %val2, i32 0 ) ; <i32>:10 [#uses=1]
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store i32 %10, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.umax.i32.p0i32( i32* %val2, i32 65535 ) ; <i32>:11 [#uses=1]
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store i32 %11, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.umax.i32.p0i32( i32* %val2, i32 10 ) ; <i32>:12 [#uses=1]
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store i32 %12, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.umin.i32.p0i32( i32* %val2, i32 1 ) ; <i32>:13 [#uses=1]
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store i32 %13, i32* %old
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; CHECK: cmov
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.load.umin.i32.p0i32( i32* %val2, i32 10 ) ; <i32>:14 [#uses=1]
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store i32 %14, i32* %old
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; CHECK: xchgl %{{.*}}, {{.*}}(%esp)
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call i32 @llvm.atomic.swap.i32.p0i32( i32* %val2, i32 1976 ) ; <i32>:15 [#uses=1]
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store i32 %15, i32* %old
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%neg1 = sub i32 0, 10 ; <i32> [#uses=1]
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.cmp.swap.i32.p0i32( i32* %val2, i32 %neg1, i32 1 ) ; <i32>:16 [#uses=1]
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store i32 %16, i32* %old
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; CHECK: lock
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; CHECK: cmpxchgl
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call i32 @llvm.atomic.cmp.swap.i32.p0i32( i32* %val2, i32 1976, i32 1 ) ; <i32>:17 [#uses=1]
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store i32 %17, i32* %old
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ret void
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}
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define void @test2(i32 addrspace(256)* nocapture %P) nounwind {
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entry:
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; CHECK: lock
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; CHECK: cmpxchgl %{{.*}}, %gs:(%{{.*}})
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%0 = tail call i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)* %P, i32 0, i32 1)
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ret void
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}
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declare i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)* nocapture, i32, i32) nounwind
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declare i32 @llvm.atomic.load.add.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.sub.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.and.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.or.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.xor.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.min.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.max.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.umax.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.load.umin.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.swap.i32.p0i32(i32*, i32) nounwind
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declare i32 @llvm.atomic.cmp.swap.i32.p0i32(i32*, i32, i32) nounwind
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