1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/mulwide.ll b/test/CodeGen/NVPTX/mulwide.ll
new file mode 100644
index 000000000000..43bb63098f67
--- /dev/null
+++ b/test/CodeGen/NVPTX/mulwide.ll
@@ -0,0 +1,46 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O3 | FileCheck %s --check-prefix=OPT
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O0 | FileCheck %s --check-prefix=NOOPT
+
+; OPT-LABEL: @mulwide16
+; NOOPT-LABEL: @mulwide16
+define i32 @mulwide16(i16 %a, i16 %b) {
+; OPT: mul.wide.s16
+; NOOPT: mul.lo.s32
+  %val0 = sext i16 %a to i32
+  %val1 = sext i16 %b to i32
+  %val2 = mul i32 %val0, %val1
+  ret i32 %val2
+}
+
+; OPT-LABEL: @mulwideu16
+; NOOPT-LABEL: @mulwideu16
+define i32 @mulwideu16(i16 %a, i16 %b) {
+; OPT: mul.wide.u16
+; NOOPT: mul.lo.s32
+  %val0 = zext i16 %a to i32
+  %val1 = zext i16 %b to i32
+  %val2 = mul i32 %val0, %val1
+  ret i32 %val2
+}
+
+; OPT-LABEL: @mulwide32
+; NOOPT-LABEL: @mulwide32
+define i64 @mulwide32(i32 %a, i32 %b) {
+; OPT: mul.wide.s32
+; NOOPT: mul.lo.s64
+  %val0 = sext i32 %a to i64
+  %val1 = sext i32 %b to i64
+  %val2 = mul i64 %val0, %val1
+  ret i64 %val2
+}
+
+; OPT-LABEL: @mulwideu32
+; NOOPT-LABEL: @mulwideu32
+define i64 @mulwideu32(i32 %a, i32 %b) {
+; OPT: mul.wide.u32
+; NOOPT: mul.lo.s64
+  %val0 = zext i32 %a to i64
+  %val1 = zext i32 %b to i64
+  %val2 = mul i64 %val0, %val1
+  ret i64 %val2
+}