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authorTom Stellard <thomas.stellard@amd.com>2014-11-21 22:31:47 +0000
committerTom Stellard <thomas.stellard@amd.com>2014-11-21 22:31:47 +0000
commit739dfb1a0e927a2acf2b3ec736948cdc70ebb1ff (patch)
treeca32061a7a8b7b85003db64ea000d1368d08fc91
parentbad4e7b748f615d19ea0b3b5beebd69decd24be3 (diff)
R600/SI: Add a failing test case for offset order in ds_read2 instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222585 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--test/CodeGen/R600/ds_read2_offset_order.ll44
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/R600/ds_read2_offset_order.ll b/test/CodeGen/R600/ds_read2_offset_order.ll
new file mode 100644
index 00000000000..ae703e0fc07
--- /dev/null
+++ b/test/CodeGen/R600/ds_read2_offset_order.ll
@@ -0,0 +1,44 @@
+; RUN: llc -march=r600 -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt -enable-misched < %s | FileCheck -strict-whitespace -check-prefix=SI %s
+
+; XFAIL: *
+
+@lds = addrspace(3) global [512 x float] undef, align 4
+
+; SI-LABEL: {{^}}offset_order:
+
+; SI: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:56
+; SI: ds_read2st64_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:0 offset1:4
+; SI: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:2 offset1:3
+; SI: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:11 offset1:1
+
+define void @offset_order(float addrspace(1)* %out) {
+entry:
+ %ptr0 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 0
+ %val0 = load float addrspace(3)* %ptr0
+
+ %ptr1 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 256
+ %val1 = load float addrspace(3)* %ptr1
+ %add1 = fadd float %val0, %val1
+
+ %ptr2 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 3
+ %val2 = load float addrspace(3)* %ptr2
+ %add2 = fadd float %add1, %val2
+
+ %ptr3 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 2
+ %val3 = load float addrspace(3)* %ptr3
+ %add3 = fadd float %add2, %val3
+
+ %ptr4 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 12
+ %val4 = load float addrspace(3)* %ptr4
+ %add4 = fadd float %add3, %val4
+
+ %ptr5 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 14
+ %val5 = load float addrspace(3)* %ptr5
+ %add5 = fadd float %add4, %val5
+
+ %ptr6 = getelementptr inbounds [512 x float] addrspace(3)* @lds, i32 0, i32 11
+ %val6 = load float addrspace(3)* %ptr6
+ %add6 = fadd float %add5, %val6
+ store float %add6, float addrspace(1)* %out
+ ret void
+}