1 files changed, 63 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/sign_extend.ll b/test/CodeGen/AMDGPU/sign_extend.ll
new file mode 100644
index 000000000000..06bee114c23a
--- /dev/null
+++ b/test/CodeGen/AMDGPU/sign_extend.ll
@@ -0,0 +1,63 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+; SI-LABEL: {{^}}s_sext_i1_to_i32:
+; SI: v_cndmask_b32_e64
+; SI: s_endpgm
+define void @s_sext_i1_to_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
+  %cmp = icmp eq i32 %a, %b
+  %sext = sext i1 %cmp to i32
+  store i32 %sext, i32 addrspace(1)* %out, align 4
+  ret void
+}
+
+; SI-LABEL: {{^}}test_s_sext_i32_to_i64:
+; SI: s_ashr_i32
+; SI: s_endpg
+define void @test_s_sext_i32_to_i64(i64 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) nounwind {
+entry:
+  %mul = mul i32 %a, %b
+  %add = add i32 %mul, %c
+  %sext = sext i32 %add to i64
+  store i64 %sext, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
+; SI-LABEL: {{^}}s_sext_i1_to_i64:
+; SI: v_cndmask_b32_e64 v[[LOREG:[0-9]+]], 0, -1, vcc
+; SI: v_mov_b32_e32 v[[HIREG:[0-9]+]], v[[LOREG]]
+; SI: buffer_store_dwordx2 v{{\[}}[[LOREG]]:[[HIREG]]{{\]}}
+; SI: s_endpgm
+define void @s_sext_i1_to_i64(i64 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
+  %cmp = icmp eq i32 %a, %b
+  %sext = sext i1 %cmp to i64
+  store i64 %sext, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
+; SI-LABEL: {{^}}s_sext_i32_to_i64:
+; SI: s_ashr_i32
+; SI: s_endpgm
+define void @s_sext_i32_to_i64(i64 addrspace(1)* %out, i32 %a) nounwind {
+  %sext = sext i32 %a to i64
+  store i64 %sext, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
+; SI-LABEL: {{^}}v_sext_i32_to_i64:
+; SI: v_ashr
+; SI: s_endpgm
+define void @v_sext_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
+  %val = load i32, i32 addrspace(1)* %in, align 4
+  %sext = sext i32 %val to i64
+  store i64 %sext, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
+; SI-LABEL: {{^}}s_sext_i16_to_i64:
+; SI: s_endpgm
+define void @s_sext_i16_to_i64(i64 addrspace(1)* %out, i16 %a) nounwind {
+  %sext = sext i16 %a to i64
+  store i64 %sext, i64 addrspace(1)* %out, align 8
+  ret void
+}