diff options
| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-03-20 00:10:32 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-03-20 00:10:32 +0000 |
| commit | d73dc544f5e37e6d58befc71e57da3c132804543 (patch) | |
| tree | 36c6db5ed73b78c591cf873be430a17f49f8f3fa /test/CodeGen/NVPTX/sched1.ll | |
| parent | 580f9c85fd7a3c90884ed7ee7c2d613923a53bb3 (diff) | |
Propagate DAG node ordering during type legalization and instruction selection
A node's ordering is only propagated during legalization if (a) the new node does
not have an ordering (is not a CSE'd node), or (b) the new node has an ordering
that is higher than the node being legalized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/NVPTX/sched1.ll')
| -rw-r--r-- | test/CodeGen/NVPTX/sched1.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/sched1.ll b/test/CodeGen/NVPTX/sched1.ll new file mode 100644 index 0000000000..03ab635e73 --- /dev/null +++ b/test/CodeGen/NVPTX/sched1.ll @@ -0,0 +1,31 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s + +; Ensure source scheduling is working + +define void @foo(i32* %a) { +; CHECK: .func foo +; CHECK: ld.u32 +; CHECK-NEXT: ld.u32 +; CHECK-NEXT: ld.u32 +; CHECK-NEXT: ld.u32 +; CHECK-NEXT: add.s32 +; CHECK-NEXT: add.s32 +; CHECK-NEXT: add.s32 + %ptr0 = getelementptr i32* %a, i32 0 + %val0 = load i32* %ptr0 + %ptr1 = getelementptr i32* %a, i32 1 + %val1 = load i32* %ptr1 + %ptr2 = getelementptr i32* %a, i32 2 + %val2 = load i32* %ptr2 + %ptr3 = getelementptr i32* %a, i32 3 + %val3 = load i32* %ptr3 + + %t0 = add i32 %val0, %val1 + %t1 = add i32 %t0, %val2 + %t2 = add i32 %t1, %val3 + + store i32 %t2, i32* %a + + ret void +} + |