1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 19:42:54 +02:00
llvm-mirror/test/CodeGen/ARM/smul.ll

37 lines
1.2 KiB
LLVM
Raw Normal View History

2011-04-01 05:36:33 +02:00
; RUN: llc < %s -march=arm -mcpu=generic
; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s
2008-02-17 21:02:20 +01:00
@x = weak global i16 0 ; <i16*> [#uses=1]
@y = weak global i16 0 ; <i16*> [#uses=0]
2008-02-17 21:02:20 +01:00
define i32 @f1(i32 %y) {
2011-04-01 05:36:33 +02:00
; CHECK: f1
; CHECK: smulbt
2008-02-17 21:02:20 +01:00
%tmp = load i16* @x ; <i16> [#uses=1]
%tmp1 = add i16 %tmp, 2 ; <i16> [#uses=1]
%tmp2 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
%tmp4 = mul i32 %tmp2, %tmp3 ; <i32> [#uses=1]
ret i32 %tmp4
}
2008-02-17 21:02:20 +01:00
define i32 @f2(i32 %x, i32 %y) {
2011-04-01 05:36:33 +02:00
; CHECK: f2
; CHECK: smultt
2008-02-17 21:02:20 +01:00
%tmp1 = ashr i32 %x, 16 ; <i32> [#uses=1]
%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
%tmp4 = mul i32 %tmp3, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp4
}
2008-02-17 21:02:20 +01:00
define i32 @f3(i32 %a, i16 %x, i32 %y) {
2011-04-01 05:36:33 +02:00
; CHECK: f3
; CHECK: smlabt
2008-02-17 21:02:20 +01:00
%tmp = sext i16 %x to i32 ; <i32> [#uses=1]
%tmp2 = ashr i32 %y, 16 ; <i32> [#uses=1]
%tmp3 = mul i32 %tmp2, %tmp ; <i32> [#uses=1]
%tmp5 = add i32 %tmp3, %a ; <i32> [#uses=1]
ret i32 %tmp5
}
2008-02-17 21:02:20 +01:00