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-rw-r--r--test/CodeGen/NVPTX/shift-parts.ll38
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/shift-parts.ll b/test/CodeGen/NVPTX/shift-parts.ll
new file mode 100644
index 0000000000..748297caf3
--- /dev/null
+++ b/test/CodeGen/NVPTX/shift-parts.ll
@@ -0,0 +1,38 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+; CHECK: shift_parts_left_128
+define void @shift_parts_left_128(i128* %val, i128* %amtptr) {
+; CHECK: shl.b64
+; CHECK: mov.u32
+; CHECK: sub.s32
+; CHECK: shr.u64
+; CHECK: or.b64
+; CHECK: add.s32
+; CHECK: shl.b64
+; CHECK: setp.gt.s32
+; CHECK: selp.b64
+; CHECK: shl.b64
+ %amt = load i128* %amtptr
+ %a = load i128* %val
+ %val0 = shl i128 %a, %amt
+ store i128 %val0, i128* %val
+ ret void
+}
+
+; CHECK: shift_parts_right_128
+define void @shift_parts_right_128(i128* %val, i128* %amtptr) {
+; CHECK: shr.u64
+; CHECK: sub.s32
+; CHECK: shl.b64
+; CHECK: or.b64
+; CHECK: add.s32
+; CHECK: shr.s64
+; CHECK: setp.gt.s32
+; CHECK: selp.b64
+; CHECK: shr.s64
+ %amt = load i128* %amtptr
+ %a = load i128* %val
+ %val0 = ashr i128 %a, %amt
+ store i128 %val0, i128* %val
+ ret void
+}