[PowerPC] Miscellaneous fast-isel test cases.

Here are a few more tests that now pass after the recent fast-isel
commits.

llvm-svn: 189637

1 files changed, 50 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/PowerPC/fast-isel-shifter.ll b/llvm/test/CodeGen/PowerPC/fast-isel-shifter.ll
new file mode 100644
index 00000000000..198bfbecda6
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/fast-isel-shifter.ll
@@ -0,0 +1,50 @@
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
+
+define i32 @shl() nounwind ssp {
+entry:
+; ELF64: shl
+; ELF64: slw
+  %shl = shl i32 -1, 2
+  ret i32 %shl
+}
+
+define i32 @shl_reg(i32 %src1, i32 %src2) nounwind ssp {
+entry:
+; ELF64: shl_reg
+; ELF64: slw
+  %shl = shl i32 %src1, %src2
+  ret i32 %shl
+}
+
+define i32 @lshr() nounwind ssp {
+entry:
+; ELF64: lshr
+; ELF64: srw
+  %lshr = lshr i32 -1, 2
+  ret i32 %lshr
+}
+
+define i32 @lshr_reg(i32 %src1, i32 %src2) nounwind ssp {
+entry:
+; ELF64: lshr_reg
+; ELF64: srw
+  %lshr = lshr i32 %src1, %src2
+  ret i32 %lshr
+}
+
+define i32 @ashr() nounwind ssp {
+entry:
+; ELF64: ashr
+; ELF64: srawi
+  %ashr = ashr i32 -1, 2
+  ret i32 %ashr
+}
+
+define i32 @ashr_reg(i32 %src1, i32 %src2) nounwind ssp {
+entry:
+; ELF64: ashr_reg
+; ELF64: sraw
+  %ashr = ashr i32 %src1, %src2
+  ret i32 %ashr
+}
+