1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 19:23:23 +01:00
llvm-mirror/test/CodeGen/Lanai/multiply.ll
Jacques Pienaar 9af311f3de [lanai] Add Lanai backend.
Add the Lanai backend to lib/Target.

General Lanai backend discussion on llvm-dev thread "[RFC] Lanai backend" (http://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html).

Differential Revision: http://reviews.llvm.org/D17011

llvm-svn: 264578
2016-03-28 13:09:54 +00:00

61 lines
1.2 KiB
LLVM

; RUN: llc -march=lanai < %s | FileCheck %s
; Test the in place lowering of mul i32.
define i32 @f6(i32 inreg %a) #0 {
entry:
%mul = mul nsw i32 %a, 6
ret i32 %mul
}
; CHECK: sh %r6, 0x1, %r{{[0-9]+}}
; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
define i32 @f7(i32 inreg %a) #0 {
entry:
%mul = mul nsw i32 %a, 7
ret i32 %mul
}
; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
; CHECK: sub %r{{[0-9]+}}, %r6, %rv
define i32 @f8(i32 inreg %a) #0 {
entry:
%mul = shl nsw i32 %a, 3
ret i32 %mul
}
; CHECK: sh %r6, 0x3, %rv
define i32 @fm6(i32 inreg %a) #0 {
entry:
%mul = mul nsw i32 %a, -6
ret i32 %mul
}
; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
; CHECK: sh %r6, 0x1, %r{{[0-9]+}}
; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
define i32 @fm7(i32 inreg %a) #0 {
entry:
%mul = mul nsw i32 %a, -7
ret i32 %mul
}
; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
; CHECK: sub %r6, %r{{[0-9]+}}, %rv
define i32 @fm8(i32 inreg %a) #0 {
entry:
%mul = mul nsw i32 %a, -8
ret i32 %mul
}
; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
define i32 @h1(i32 inreg %a) #0 {
entry:
%mul = mul i32 %a, -1431655765
ret i32 %mul
}
; CHECK: h1
; CHECK: mulsi3