From 202225cdf829e5dca2475525921017257658cf17 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Tue, 15 Jul 2008 10:14:24 +0000 Subject: LegalizeTypes support for promotion of SIGN_EXTEND_INREG. llvm-svn: 53603 --- llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll (limited to 'llvm/test') diff --git a/llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll b/llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll new file mode 100644 index 00000000000..32e36427c5e --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/2008-07-15-SignExtendInreg.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llc +target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128" +target triple = "powerpc-apple-darwin9" + +define i16 @t(i16* %dct) signext nounwind { +entry: + load i16* null, align 2 ; :0 [#uses=2] + lshr i16 %0, 11 ; :1 [#uses=0] + trunc i16 %0 to i8 ; :2 [#uses=1] + sext i8 %2 to i16 ; :3 [#uses=1] + add i16 0, %3 ; :4 [#uses=1] + sext i16 %4 to i32 ; :5 [#uses=1] + %dcval.0.in = shl i32 %5, 0 ; [#uses=1] + %dcval.0 = trunc i32 %dcval.0.in to i16 ; [#uses=1] + store i16 %dcval.0, i16* %dct, align 2 + ret i16 0 +} -- cgit v1.2.3