1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/testBitReverse.ll b/llvm/test/CodeGen/PowerPC/testBitReverse.ll
new file mode 100644
index 00000000000..661b62596dc
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/testBitReverse.ll
@@ -0,0 +1,42 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
+declare i32 @llvm.bitreverse.i32(i32)
+define i32 @testBitReverseIntrinsicI32(i32 %arg) {
+; CHECK-LABEL: testBitReverseIntrinsicI32:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    lis 4, -21846
+; CHECK-NEXT:    lis 5, 21845
+; CHECK-NEXT:    slwi 6, 3, 1
+; CHECK-NEXT:    srwi 3, 3, 1
+; CHECK-NEXT:    lis 7, -13108
+; CHECK-NEXT:    lis 8, 13107
+; CHECK-NEXT:    ori 4, 4, 43690
+; CHECK-NEXT:    ori 5, 5, 21845
+; CHECK-NEXT:    lis 10, -3856
+; CHECK-NEXT:    lis 11, 3855
+; CHECK-NEXT:    and 3, 3, 5
+; CHECK-NEXT:    and 4, 6, 4
+; CHECK-NEXT:    ori 5, 8, 13107
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    ori 4, 7, 52428
+; CHECK-NEXT:    slwi 9, 3, 2
+; CHECK-NEXT:    srwi 3, 3, 2
+; CHECK-NEXT:    and 3, 3, 5
+; CHECK-NEXT:    and 4, 9, 4
+; CHECK-NEXT:    ori 5, 11, 3855
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    ori 4, 10, 61680
+; CHECK-NEXT:    slwi 12, 3, 4
+; CHECK-NEXT:    srwi 3, 3, 4
+; CHECK-NEXT:    and 4, 12, 4
+; CHECK-NEXT:    and 3, 3, 5
+; CHECK-NEXT:    or 3, 3, 4
+; CHECK-NEXT:    rotlwi 4, 3, 24
+; CHECK-NEXT:    rlwimi 4, 3, 8, 8, 15
+; CHECK-NEXT:    rlwimi 4, 3, 8, 24, 31
+; CHECK-NEXT:    rldicl 3, 4, 0, 32
+; CHECK-NEXT:    blr
+  %res = call i32 @llvm.bitreverse.i32(i32 %arg)
+  ret i32 %res
+}