R600/SI: Use VALU instructions for copying i1 values

We can't use SALU instructions for this since they ignore the EXEC mask
and are always executed.

This fixes several OpenCV tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207661 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 39 insertions, 0 deletions

diff --git a/test/CodeGen/R600/valu-i1.ll b/test/CodeGen/R600/valu-i1.ll
new file mode 100644
index 0000000000..5d5e3ff63a
--- /dev/null
+++ b/test/CodeGen/R600/valu-i1.ll
@@ -0,0 +1,39 @@
+; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck --check-prefix=SI %s
+
+; Make sure the i1 values created by the cfg structurizer pass are
+; moved using VALU instructions
+; SI-NOT: S_MOV_B64 s[{{[0-9]:[0-9]}}], -1
+; SI: V_MOV_B32_e32 v{{[0-9]}}, -1
+define void @test_if(i32 %a, i32 %b, i32 addrspace(1)* %src, i32 addrspace(1)* %dst) {
+entry:
+  switch i32 %a, label %default [
+    i32 0, label %case0
+    i32 1, label %case1
+  ]
+
+case0:
+  %arrayidx1 = getelementptr i32 addrspace(1)* %dst, i32 %b
+  store i32 0, i32 addrspace(1)* %arrayidx1, align 4
+  br label %end
+
+case1:
+  %arrayidx5 = getelementptr i32 addrspace(1)* %dst, i32 %b
+  store i32 1, i32 addrspace(1)* %arrayidx5, align 4
+  br label %end
+
+default:
+  %cmp8 = icmp eq i32 %a, 2
+  %arrayidx10 = getelementptr i32 addrspace(1)* %dst, i32 %b
+  br i1 %cmp8, label %if, label %else
+
+if:
+  store i32 2, i32 addrspace(1)* %arrayidx10, align 4
+  br label %end
+
+else:
+  store i32 3, i32 addrspace(1)* %arrayidx10, align 4
+  br label %end
+
+end:
+  ret void
+}