diff options
Diffstat (limited to 'test/CodeGen/PowerPC/shl_sext.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/shl_sext.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/shl_sext.ll b/test/CodeGen/PowerPC/shl_sext.ll new file mode 100644 index 000000000000..61e5cdb11a42 --- /dev/null +++ b/test/CodeGen/PowerPC/shl_sext.ll @@ -0,0 +1,18 @@ +; This test should not contain a sign extend +; RUN: llvm-as < %s | llc -march=ppc32 | not grep extsb + +define i32 @test(i32 %mode.0.i.0) { + %tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1] + %tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1] + %tmp.81 = shl i32 %tmp.80, 24 ; <i32> [#uses=1] + ret i32 %tmp.81 +} + +define i32 @test2(i32 %mode.0.i.0) { + %tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1] + %tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1] + %tmp.81 = shl i32 %tmp.80, 16 ; <i32> [#uses=1] + %tmp.82 = and i32 %tmp.81, 16711680 ; <i32> [#uses=1] + ret i32 %tmp.82 +} + |