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Diffstat (limited to 'test/CodeGen/R600/vtx-schedule.ll')
| -rw-r--r-- | test/CodeGen/R600/vtx-schedule.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/R600/vtx-schedule.ll b/test/CodeGen/R600/vtx-schedule.ll new file mode 100644 index 0000000000..a0c79e36d3 --- /dev/null +++ b/test/CodeGen/R600/vtx-schedule.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s + +; This test is for a scheduler bug where VTX_READ instructions that used +; the result of another VTX_READ instruction were being grouped in the +; same fetch clasue. + +; CHECK: @test +; CHECK: Fetch clause +; CHECK_VTX_READ_32 [[IN0:T[0-9]+\.X]], [[IN0]], 40 +; CHECK_VTX_READ_32 [[IN1:T[0-9]+\.X]], [[IN1]], 44 +; CHECK: Fetch clause +; CHECK_VTX_READ_32 [[IN0:T[0-9]+\.X]], [[IN0]], 0 +; CHECK_VTX_READ_32 [[IN1:T[0-9]+\.X]], [[IN1]], 0 +define void @test(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in0, i32 addrspace(1)* nocapture %in1) { +entry: + %0 = load i32 addrspace(1)* %in0, align 4 + %1 = load i32 addrspace(1)* %in1, align 4 + %cmp.i = icmp slt i32 %0, %1 + %cond.i = select i1 %cmp.i, i32 %0, i32 %1 + store i32 %cond.i, i32 addrspace(1)* %out, align 4 + ret void +} |