Vendor import of llvm release_39 branch r276489:vendor/llvm/llvm-release_39-r276489

https://llvm.org/svn/llvm-project/llvm/branches/release_39@276489

1 files changed, 24 insertions, 0 deletions

diff --git a/test/CodeGen/AMDGPU/bfm.ll b/test/CodeGen/AMDGPU/bfm.ll
new file mode 100644
index 000000000000..73db87d7ae9e
--- /dev/null
+++ b/test/CodeGen/AMDGPU/bfm.ll
@@ -0,0 +1,24 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+
+; FUNC-LABEL: {{^}}bfm_pattern:
+; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+define void @bfm_pattern(i32 addrspace(1)* %out, i32 %x, i32 %y) #0 {
+  %a = shl i32 1, %x
+  %b = sub i32 %a, 1
+  %c = shl i32 %b, %y
+  store i32 %c, i32 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}bfm_pattern_simple:
+; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, 0
+define void @bfm_pattern_simple(i32 addrspace(1)* %out, i32 %x) #0 {
+  %a = shl i32 1, %x
+  %b = sub i32 %a, 1
+  store i32 %b, i32 addrspace(1)* %out
+  ret void
+}
+
+attributes #0 = { nounwind }