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llvm-6502/test/CodeGen/MBlaze/brind.ll
Wesley Peck dc80380de8 Fixed reversed operands for IDIV and CMP instructions in MBlaze backend.
Use BRAD instead of BRD for indirect branches in MBlaze backend.

patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06 22:06:49 +00:00

73 lines
1.7 KiB
LLVM

; Ensure that the select instruction is supported and is lowered to
; some sort of branch instruction.
;
; RUN: llc < %s -march=mblaze -mattr=+mul,+fpu,+barrel | FileCheck %s
declare i32 @printf(i8*, ...)
@MSG = internal constant [13 x i8] c"Message: %d\0A\00"
@BLKS = private constant [5 x i8*]
[ i8* blockaddress(@brind, %L1),
i8* blockaddress(@brind, %L2),
i8* blockaddress(@brind, %L3),
i8* blockaddress(@brind, %L4),
i8* blockaddress(@brind, %L5) ]
define i32 @brind(i32 %a, i32 %b)
{
; CHECK: brind:
entry:
br label %loop
loop:
%tmp.0 = phi i32 [ 0, %entry ], [ %tmp.8, %finish ]
%dst.0 = getelementptr [5 x i8*]* @BLKS, i32 0, i32 %tmp.0
%dst.1 = load i8** %dst.0
indirectbr i8* %dst.1, [ label %L1,
label %L2,
label %L3,
label %L4,
label %L5 ]
; CHECK: brad {{r[0-9]*}}
L1:
%tmp.1 = add i32 %a, %b
br label %finish
; CHECK: brid
L2:
%tmp.2 = sub i32 %a, %b
br label %finish
; CHECK: brid
L3:
%tmp.3 = mul i32 %a, %b
br label %finish
; CHECK: brid
L4:
%tmp.4 = sdiv i32 %a, %b
br label %finish
; CHECK: brid
L5:
%tmp.5 = srem i32 %a, %b
br label %finish
finish:
%tmp.6 = phi i32 [ %tmp.1, %L1 ],
[ %tmp.2, %L2 ],
[ %tmp.3, %L3 ],
[ %tmp.4, %L4 ],
[ %tmp.5, %L5 ]
call i32 (i8*,...)* @printf( i8* getelementptr([13 x i8]* @MSG,i32 0,i32 0),
i32 %tmp.6)
%tmp.7 = add i32 %tmp.0, 1
%tmp.8 = urem i32 %tmp.7, 5
br label %loop
; CHECK: brad {{r[0-9]*}}
}