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author | Peter Collingbourne <peter@pcc.me.uk> | 2010-08-03 16:19:16 +0000 |
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committer | Peter Collingbourne <peter@pcc.me.uk> | 2010-08-03 16:19:16 +0000 |
commit | 948d9a5b1f2a34b941fcd0c69099b4362ff1a336 (patch) | |
tree | b196a4e4cd842b2ce6feb36357edbdc4adfdf9aa /test | |
parent | ffaf62355f74deacf37ccb6be6936ee8b6e8072a (diff) | |
download | external_llvm-948d9a5b1f2a34b941fcd0c69099b4362ff1a336.zip external_llvm-948d9a5b1f2a34b941fcd0c69099b4362ff1a336.tar.gz external_llvm-948d9a5b1f2a34b941fcd0c69099b4362ff1a336.tar.bz2 |
Add an atomic lowering pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110113 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/LowerAtomic/atomic-load.ll | 40 | ||||
-rw-r--r-- | test/Transforms/LowerAtomic/atomic-swap.ll | 26 | ||||
-rw-r--r-- | test/Transforms/LowerAtomic/barrier.ll | 10 | ||||
-rw-r--r-- | test/Transforms/LowerAtomic/dg.exp | 3 |
4 files changed, 79 insertions, 0 deletions
diff --git a/test/Transforms/LowerAtomic/atomic-load.ll b/test/Transforms/LowerAtomic/atomic-load.ll new file mode 100644 index 0000000..5b110d6 --- /dev/null +++ b/test/Transforms/LowerAtomic/atomic-load.ll @@ -0,0 +1,40 @@ +; RUN: opt < %s -loweratomic -S | FileCheck %s + +declare i8 @llvm.atomic.load.add.i8.p0i8(i8* %ptr, i8 %delta) +declare i8 @llvm.atomic.load.nand.i8.p0i8(i8* %ptr, i8 %delta) +declare i8 @llvm.atomic.load.min.i8.p0i8(i8* %ptr, i8 %delta) + +define i8 @add() { +; CHECK: @add + %i = alloca i8 + %j = call i8 @llvm.atomic.load.add.i8.p0i8(i8* %i, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: add +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} + +define i8 @nand() { +; CHECK: @nand + %i = alloca i8 + %j = call i8 @llvm.atomic.load.nand.i8.p0i8(i8* %i, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: and +; CHECK-NEXT: xor +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} + +define i8 @min() { +; CHECK: @min + %i = alloca i8 + %j = call i8 @llvm.atomic.load.min.i8.p0i8(i8* %i, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: icmp +; CHECK-NEXT: select +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} diff --git a/test/Transforms/LowerAtomic/atomic-swap.ll b/test/Transforms/LowerAtomic/atomic-swap.ll new file mode 100644 index 0000000..0a59c85 --- /dev/null +++ b/test/Transforms/LowerAtomic/atomic-swap.ll @@ -0,0 +1,26 @@ +; RUN: opt < %s -loweratomic -S | FileCheck %s + +declare i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* %ptr, i8 %cmp, i8 %val) +declare i8 @llvm.atomic.swap.i8.p0i8(i8* %ptr, i8 %val) + +define i8 @cmpswap() { +; CHECK: @cmpswap + %i = alloca i8 + %j = call i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* %i, i8 0, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: icmp +; CHECK-NEXT: select +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} + +define i8 @swap() { +; CHECK: @swap + %i = alloca i8 + %j = call i8 @llvm.atomic.swap.i8.p0i8(i8* %i, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} diff --git a/test/Transforms/LowerAtomic/barrier.ll b/test/Transforms/LowerAtomic/barrier.ll new file mode 100644 index 0000000..218c5ba --- /dev/null +++ b/test/Transforms/LowerAtomic/barrier.ll @@ -0,0 +1,10 @@ +; RUN: opt < %s -loweratomic -S | FileCheck %s + +declare void @llvm.memory.barrier(i1 %ll, i1 %ls, i1 %sl, i1 %ss, i1 %device) + +define void @barrier() { +; CHECK: @barrier + call void @llvm.memory.barrier(i1 0, i1 0, i1 0, i1 0, i1 0) +; CHECK-NEXT: ret + ret void +} diff --git a/test/Transforms/LowerAtomic/dg.exp b/test/Transforms/LowerAtomic/dg.exp new file mode 100644 index 0000000..f200589 --- /dev/null +++ b/test/Transforms/LowerAtomic/dg.exp @@ -0,0 +1,3 @@ +load_lib llvm.exp + +RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp}]] |