mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-05 17:30:02 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106575 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; RUN: llc -march=x86 -mattr=+sse < %s | FileCheck %s
|
|
|
|
%vec = type <6 x float>
|
|
; CHECK: divss
|
|
; CHECK: divss
|
|
; CHECK: divps
|
|
define %vec @vecdiv( %vec %p1, %vec %p2)
|
|
{
|
|
%result = fdiv %vec %p1, %p2
|
|
ret %vec %result
|
|
}
|
|
|
|
@a = constant %vec < float 2.0, float 4.0, float 8.0, float 16.0, float 32.0, float 64.0 >
|
|
@b = constant %vec < float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0 >
|
|
|
|
; Expected result: < 1.0, 2.0, 4.0, ..., 2.0^(n-1) >
|
|
; main() returns 0 if the result is expected and 1 otherwise
|
|
; to execute, use llvm-as < %s | lli
|
|
define i32 @main() nounwind {
|
|
entry:
|
|
%avec = load %vec* @a
|
|
%bvec = load %vec* @b
|
|
|
|
%res = call %vec @vecdiv(%vec %avec, %vec %bvec)
|
|
br label %loop
|
|
loop:
|
|
%idx = phi i32 [0, %entry], [%nextInd, %looptail]
|
|
%expected = phi float [1.0, %entry], [%nextExpected, %looptail]
|
|
%elem = extractelement %vec %res, i32 %idx
|
|
%expcmp = fcmp oeq float %elem, %expected
|
|
br i1 %expcmp, label %looptail, label %return
|
|
looptail:
|
|
%nextExpected = fmul float %expected, 2.0
|
|
%nextInd = add i32 %idx, 1
|
|
%cmp = icmp slt i32 %nextInd, 6
|
|
br i1 %cmp, label %loop, label %return
|
|
return:
|
|
%retval = phi i32 [0, %looptail], [1, %loop]
|
|
ret i32 %retval
|
|
}
|