Subzero: Support non sequentially consistent memory orderings for atomic ops.

tests_lit/llvm2ice_tests/abi-atomics.ll

+; This file is copied/adapted from llvm/test/NaCl/PNaClABI/abi-atomics.ll .
+; TODO(stichnot): Find a way to share the file to avoid divergence.
+
+; RUN: %p2i -i %s --args --verbose none --exit-success -threads=0 2>&1 \
+; RUN:   | FileCheck %s
+
+declare i8 @llvm.nacl.atomic.load.i8(i8*, i32)
+declare i16 @llvm.nacl.atomic.load.i16(i16*, i32)
+declare i32 @llvm.nacl.atomic.load.i32(i32*, i32)
+declare i64 @llvm.nacl.atomic.load.i64(i64*, i32)
+declare void @llvm.nacl.atomic.store.i8(i8, i8*, i32)
+declare void @llvm.nacl.atomic.store.i16(i16, i16*, i32)
+declare void @llvm.nacl.atomic.store.i32(i32, i32*, i32)
+declare void @llvm.nacl.atomic.store.i64(i64, i64*, i32)
+declare i8 @llvm.nacl.atomic.rmw.i8(i32, i8*, i8, i32)
+declare i16 @llvm.nacl.atomic.rmw.i16(i32, i16*, i16, i32)
+declare i32 @llvm.nacl.atomic.rmw.i32(i32, i32*, i32, i32)
+declare i64 @llvm.nacl.atomic.rmw.i64(i32, i64*, i64, i32)
+declare i8 @llvm.nacl.atomic.cmpxchg.i8(i8*, i8, i8, i32, i32)
+declare i16 @llvm.nacl.atomic.cmpxchg.i16(i16*, i16, i16, i32, i32)
+declare i32 @llvm.nacl.atomic.cmpxchg.i32(i32*, i32, i32, i32, i32)
+declare i64 @llvm.nacl.atomic.cmpxchg.i64(i64*, i64, i64, i32, i32)
+declare void @llvm.nacl.atomic.fence(i32)
+declare void @llvm.nacl.atomic.fence.all()
+declare i1 @llvm.nacl.atomic.is.lock.free(i32, i8*)
+
+
+; Load
+
+define internal i32 @test_load_invalid_7() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 7)
+  ret i32 %1
+}
+; CHECK: test_load_invalid_7: Unexpected memory ordering for AtomicLoad
+
+define internal i32 @test_load_invalid_0() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 0)
+  ret i32 %1
+}
+; CHECK: test_load_invalid_0: Unexpected memory ordering for AtomicLoad
+
+define internal i32 @test_load_seqcst() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 6)
+  ret i32 %1
+}
+; CHECK-LABEL: test_load_seqcst
+
+define internal i32 @test_load_acqrel() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 5)
+  ret i32 %1
+}
+; CHECK: test_load_acqrel: Unexpected memory ordering for AtomicLoad
+
+define internal i32 @test_load_release() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 4)
+  ret i32 %1
+}
+; CHECK: test_load_release: Unexpected memory ordering for AtomicLoad
+
+define internal i32 @test_load_acquire() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 3)
+  ret i32 %1
+}
+; CHECK-LABEL: test_load_acquire
+
+define internal i32 @test_load_consume() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 2)
+  ret i32 %1
+}
+; CHECK: test_load_consume: Unexpected memory ordering for AtomicLoad
+
+define internal i32 @test_load_relaxed() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.load.i32(i32* %ptr, i32 1)
+  ret i32 %1
+}
+; CHECK: test_load_relaxed: Unexpected memory ordering for AtomicLoad
+
+
+; Store
+
+define internal void @test_store_invalid_7() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 7)
+  ret void
+}
+; CHECK: test_store_invalid_7: Unexpected memory ordering for AtomicStore
+
+define internal void @test_store_invalid_0() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 0)
+  ret void
+}
+; CHECK: test_store_invalid_0: Unexpected memory ordering for AtomicStore
+
+define internal void @test_store_seqcst() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 6)
+  ret void
+}
+; CHECK-LABEL: test_store_seqcst
+
+define internal void @test_store_acqrel() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 5)
+  ret void
+}
+; CHECK: test_store_acqrel: Unexpected memory ordering for AtomicStore
+
+define internal void @test_store_release() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 4)
+  ret void
+}
+; CHECK-LABEL: test_store_release
+
+define internal void @test_store_acquire() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 3)
+  ret void
+}
+; CHECK: test_store_acquire: Unexpected memory ordering for AtomicStore
+
+define internal void @test_store_consume() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 2)
+  ret void
+}
+; CHECK: test_store_consume: Unexpected memory ordering for AtomicStore
+
+define internal void @test_store_relaxed() {
+  %ptr = inttoptr i32 undef to i32*
+  call void @llvm.nacl.atomic.store.i32(i32 undef, i32* %ptr, i32 1)
+  ret void
+}
+; CHECK: test_store_relaxed: Unexpected memory ordering for AtomicStore
+
+
+; rmw
+
+define internal i32 @test_rmw_invalid_7() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 7)
+  ret i32 %1
+}
+; CHECK: test_rmw_invalid_7: Unexpected memory ordering for AtomicRMW
+
+define internal i32 @test_rmw_invalid_0() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 0)
+  ret i32 %1
+}
+; CHECK: test_rmw_invalid_0: Unexpected memory ordering for AtomicRMW
+
+define internal i32 @test_rmw_seqcst() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 6)
+  ret i32 %1
+}
+; CHECK-LABEL: test_rmw_seqcst
+
+define internal i32 @test_rmw_acqrel() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 5)
+  ret i32 %1
+}
+; CHECK-LABEL: test_rmw_acqrel
+
+define internal i32 @test_rmw_release() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 4)
+  ret i32 %1
+}
+; CHECK-LABEL: test_rmw_release
+
+define internal i32 @test_rmw_acquire() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 3)
+  ret i32 %1
+}
+; CHECK-LABEL: test_rmw_acquire
+
+define internal i32 @test_rmw_consume() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 2)
+  ret i32 %1
+}
+; CHECK: test_rmw_consume: Unexpected memory ordering for AtomicRMW
+
+define internal i32 @test_rmw_relaxed() {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.rmw.i32(i32 1, i32* %ptr, i32 0, i32 1)
+  ret i32 %1
+}
+; CHECK: test_rmw_relaxed: Unexpected memory ordering for AtomicRMW
+
+
+; cmpxchg
+
+define internal i32 @test_cmpxchg_invalid_7(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 7, i32 7)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_invalid_7: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_invalid_0(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 0, i32 0)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_invalid_0: Unexpected memory ordering for AtomicCmpxchg
+
+; seq_cst
+
+define internal i32 @test_cmpxchg_seqcst_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 6)
+  ret i32 %1
+}
+; CHECK-LABEL: test_cmpxchg_seqcst_seqcst
+
+define internal i32 @test_cmpxchg_seqcst_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_seqcst_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_seqcst_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_seqcst_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_seqcst_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 3)
+  ret i32 %1
+}
+; CHECK-LABEL: test_cmpxchg_seqcst_acquire
+
+define internal i32 @test_cmpxchg_seqcst_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_seqcst_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_seqcst_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 6, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_seqcst_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+; acq_rel
+
+define internal i32 @test_cmpxchg_acqrel_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 6)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acqrel_seqcst: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acqrel_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acqrel_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acqrel_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acqrel_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acqrel_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 3)
+  ret i32 %1
+}
+; CHECK-LABEL: test_cmpxchg_acqrel_acquire
+
+define internal i32 @test_cmpxchg_acqrel_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acqrel_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acqrel_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 5, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acqrel_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+; release
+
+define internal i32 @test_cmpxchg_release_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 6)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_seqcst: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_release_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_release_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_release_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 3)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_acquire: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_release_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_release_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 4, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_release_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+; acquire
+
+define internal i32 @test_cmpxchg_acquire_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 6)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acquire_seqcst: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acquire_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acquire_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acquire_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acquire_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acquire_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 3)
+  ret i32 %1
+}
+; CHECK-LABEL: test_cmpxchg_acquire_acquire
+
+define internal i32 @test_cmpxchg_acquire_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acquire_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_acquire_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 3, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_acquire_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+; consume
+
+define internal i32 @test_cmpxchg_consume_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 6)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_seqcst: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_consume_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_consume_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_consume_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 3)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_acquire: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_consume_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_consume_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 2, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_consume_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+; relaxed
+
+define internal i32 @test_cmpxchg_relaxed_seqcst(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 6)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_seqcst: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_relaxed_acqrel(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 5)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_acqrel: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_relaxed_release(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 4)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_release: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_relaxed_acquire(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 3)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_acquire: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_relaxed_consume(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 2)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_consume: Unexpected memory ordering for AtomicCmpxchg
+
+define internal i32 @test_cmpxchg_relaxed_relaxed(i32 %oldval, i32 %newval) {
+  %ptr = inttoptr i32 undef to i32*
+  %1 = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 %oldval, i32 %newval, i32 1, i32 1)
+  ret i32 %1
+}
+; CHECK: test_cmpxchg_relaxed_relaxed: Unexpected memory ordering for AtomicCmpxchg
+
+
+; fence
+
+define internal void @test_fence_invalid_7() {
+  call void @llvm.nacl.atomic.fence(i32 7)
+  ret void
+}
+; CHECK: test_fence_invalid_7: Unexpected memory ordering for AtomicFence
+
+define internal void @test_fence_invalid_0() {
+  call void @llvm.nacl.atomic.fence(i32 0)
+  ret void
+}
+; CHECK: test_fence_invalid_0: Unexpected memory ordering for AtomicFence
+
+define internal void @test_fence_seqcst() {
+  call void @llvm.nacl.atomic.fence(i32 6)
+  ret void
+}
+; CHECK-LABEL: test_fence_seqcst
+
+define internal void @test_fence_acqrel() {
+  call void @llvm.nacl.atomic.fence(i32 5)
+  ret void
+}
+; CHECK-LABEL: test_fence_acqrel
+
+define internal void @test_fence_acquire() {
+  call void @llvm.nacl.atomic.fence(i32 4)
+  ret void
+}
+; CHECK-LABEL: test_fence_acquire
+
+define internal void @test_fence_release() {
+  call void @llvm.nacl.atomic.fence(i32 3)
+  ret void
+}
+; CHECK-LABEL: test_fence_release
+
+define internal void @test_fence_consume() {
+  call void @llvm.nacl.atomic.fence(i32 2)
+  ret void
+}
+; CHECK: test_fence_consume: Unexpected memory ordering for AtomicFence
+
+define internal void @test_fence_relaxed() {
+  call void @llvm.nacl.atomic.fence(i32 1)
+  ret void
+}
+; CHECK: test_fence_relaxed: Unexpected memory ordering for AtomicFence