1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/idioms.ll b/test/CodeGen/NVPTX/idioms.ll
new file mode 100644
index 0000000000000..047325c85165a
--- /dev/null
+++ b/test/CodeGen/NVPTX/idioms.ll
@@ -0,0 +1,31 @@
+; Check that various LLVM idioms get lowered to NVPTX as expected.
+
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
+
+; CHECK-LABEL: abs_i16(
+define i16 @abs_i16(i16 %a) {
+; CHECK: abs.s16
+  %neg = sub i16 0, %a
+  %abs.cond = icmp sge i16 %a, 0
+  %abs = select i1 %abs.cond, i16 %a, i16 %neg
+  ret i16 %abs
+}
+
+; CHECK-LABEL: abs_i32(
+define i32 @abs_i32(i32 %a) {
+; CHECK: abs.s32
+  %neg = sub i32 0, %a
+  %abs.cond = icmp sge i32 %a, 0
+  %abs = select i1 %abs.cond, i32 %a, i32 %neg
+  ret i32 %abs
+}
+
+; CHECK-LABEL: abs_i64(
+define i64 @abs_i64(i64 %a) {
+; CHECK: abs.s64
+  %neg = sub i64 0, %a
+  %abs.cond = icmp sge i64 %a, 0
+  %abs = select i1 %abs.cond, i64 %a, i64 %neg
+  ret i64 %abs
+}