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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / cfab3da46e1e8e9ed4fafa018e0d28bb5913dde2 / . / test / CodeGen / PowerPC / mulhs.ll
blob: 3b0daad227e92d2e60f4b125cac1a404cef77b93 [file] [log] [blame]
Nate Begemanfeca19b2005-09-01 00:04:03 +0000[diff] [blame]1; All of these ands and shifts should be folded into rlwimi's
Tanya Lattnercfab3da2008-02-19 08:07:33 +0000[diff] [blame^]2; RUN: llvm-as < %s | llc -march=ppc32 -o %t -f
Reid Spencereb1d74e2007-04-16 17:36:08 +0000[diff] [blame]3; RUN: not grep mulhwu %t
4; RUN: not grep srawi %t
5; RUN: not grep add %t
Dan Gohman28beeea2007-08-15 13:36:28 +0000[diff] [blame]6; RUN: grep mulhw %t | count 1
Nate Begemanfeca19b2005-09-01 00:04:03 +0000[diff] [blame]7
Tanya Lattnercfab3da2008-02-19 08:07:33 +0000[diff] [blame^]8define i32 @mulhs(i32 %a, i32 %b) {
Nate Begemanfeca19b2005-09-01 00:04:03 +0000[diff] [blame]9entry:
Tanya Lattnercfab3da2008-02-19 08:07:33 +0000[diff] [blame^]10 %tmp.1 = sext i32 %a to i64 ; <i64> [#uses=1]
11 %tmp.3 = sext i32 %b to i64 ; <i64> [#uses=1]
12 %tmp.4 = mul i64 %tmp.3, %tmp.1 ; <i64> [#uses=1]
13 %tmp.6 = lshr i64 %tmp.4, 32 ; <i64> [#uses=1]
14 %tmp.7 = trunc i64 %tmp.6 to i32 ; <i32> [#uses=1]
15 ret i32 %tmp.7
Nate Begemanfeca19b2005-09-01 00:04:03 +0000[diff] [blame]16}
Tanya Lattnercfab3da2008-02-19 08:07:33 +0000[diff] [blame^]17